Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
Relays Categories
ATC Power Module
Accessory Power
Adjustable Shock
Air Conditioning
Antenna
Anti-Theft
Antilock Brake
Automatic Temperature Control
Auxiliary Heater & AC Control
Blower
Blower Motor
Blower Motor Cutout
Brake Pressure
Carburetor
Choke
Circuit Opening
Compartment Lid Release
Condenser Fan
Convertible Top
Cooler
Cornering Lamp
Cruise Control
Defogger
Door
ECM Wiring
Electronic Engine Control
Engine
Engine Radiator Cooling Fan Motor
Fog Light
Fuel Cutoff
Fuel Injection
Fuel Pump
Glow Plug
Headlamp
Heater
Horn
Idle Speed Control
Idle-Up Solenoid
Ignition
Illumination
Inhibitor
Instrument Panel
Keyless Entry
Lighting
Manifold Heater
Mass Air Flow Sensor
Microprocessor
Neutral Safety
Overdrive
Oxygen Sensor
Power Mirror
Power Seat
Power Window
Purge
Radiator Fan
Refrigerator
Relay Control Module
Reversing
Seat Belt
Selector Switch
Shift Indicator
Skid Control
Speaker
Speed Control
Starter
Sunroof
Tailgate
Throttle
Time Delay
Trailer Tow
Transmission
Trunk Release
Turbo Microprocessor
Vacuum Pump
Vent Control
Warning Buzzer & Chime
Washer Pump
Wiper Motor
Best Choice DIGISHUO 
DIGISHUO 2pcs 5V 1 Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (2Pcs 5V 1 Channel Relay The module uses genuine quality relay, normally open interfacesDIANN 
DIANN 5pcs Car Relay with Harness 12V 40A 5 Pin SPST Harness Sockets with Color-Labeled Wires for Automotive Truck Van M 5 Pin SPDT Auto Relay with Color-Labeled Wires: Rated Operational Voltage: 12V; Switching Capability: 40ABest Value ANXYULEN 
Car Relay with Harness, 5 Pin 80A 12V On/Off Normally Open SPST Relay Socket Plug, Model JD2912-1Z-12VDC 80A 14VDC, Auto 【Premium Quality】Car relay with harness is made of high-quality metal and plastic material. The metal has excellent elecDIANN 
DIANN 10pcs DC 5V Relay Module 1 Channel Relay Board with Optocoupler Support High/Low Level Trigger Relay Board Maximum Load: AC 250V/10A; DC 30V/10A With Power and Relay Action Indicator;Trigger Current: 5mANarva 
Narva 40A 12V 4 Pin Normal Open Relay with Resistor Protection Blister Pack Relay can be used in a variety of applications where switching of high power is neededWADY 
WADY 5Pcs12V 40A 5-Piece Automotive 5-Pin SPDT Car Relay with Interlocking Harness Receptacle Holder, 40A Relay Connecto Complete Package： Includes 5Pack 5-pin 12V 30/40A relays with pre-wired harnesses. Whether you’re upgrading existing sysASHATA 
Automotive Fused Relay,Black 4-Pin DC 12V 30A Car Normally Open Contacts Fused Relay On/Off with Bracket,Fused Relay wit Adopt of premium plastic outer shell, excellent shock and vibrationVGOL VGOL 4PCS Car Relay 4 Pins 12V 30A Relay Multifunction Plug-in Relay for Cars Trucks Air Conditioners Oil Pumps Automoti Number of pins : 4 pins; Parameters : DC12V 30A; Installation type : Plug-in.22% Off Glarks Glarks 10 Pack 12V 30/40 Amp 5-Pin SPDT Electrical Relays Switch for Automotive Truck Boat Marine ★ Package: Including 10 pack 5-Pin SPDT(Single Pole Double Throw) Electrical Relays Switch packed in a plastic box.Reland Sun 5PCS 5V 9V 12V 24V 1 Channel Relay Module with Optocoupler Isolation Support High or Low Level Trigger (5V) 5PCS 5V 9V 12V 24V 1 Channel Relay Module with Optocoupler Isolation Support High or Low Level TriggerEFGTEK 6 Pack 12V DC 40 AMP Waterproof 5-PIN SPDT Electric Car Relay,EFGTEK Heavy Duty 5-PIN SPDT Style Automotive Relay for Au EFGTEK Relays are Interchangeable and Compatible with: All automobiles and devices equipped with a 12 Volt DC power sourXYusuf 12V Waterproof Relay Box 6 Way Fuse Box Pre-Wired 12 AWG 6 Slot ATC/ATO Fuse Block Universal Panel for Automotive Car Ma 【Relay Box】 - This 12v relay box includes total 6 available slots for connecting, can make 6 relays connected neatly andIRHAPSODY 12 V DC 200 Amp 4 Pin Heavy Duty Relay/Split Charge Relay - 4 Terminal Relay - Coil Power 1.8 W Heavy duty 12 volt 4 Pin SPST (Single Pole Single Throw) relayIRHAPSODY 5 PACK 40/30 AMP 12 V DC Waterproof Relay and Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Bosch Style Au 12 V DC automotive waterproof relay (max 14 V). Note: 12 V and 14 V are coil voltages, they are not the voltage that trieMagTech eMagTech 2PCS 12V 80A 5-Pin Automotive Heavy Duty Relay JD2912-1Z-12VDC Multi-Purpose Automotive Relay for Truck Car Boa Relay Model: JD2912-1Z-12VDC automotive relay with a 5-pin configuration, ideal for a range of vehicle applications.Changor Changor 40A Solid State Relay SSR 40A DC AC Relay No Spark High Speed No Noisefor Harsh Environments Solid State Relay w [Versatile Applications] Perfectly suited for a wide range of automated control fields including cnc machine tools and oLSHPG QP-02-4.7 PTC Refrigerator Start Relay,1 Pin Refrigerator Starter Relay and 1Pcs Refrigerator Overload Protector 1/2HP, 【Our QP2-4.7 Starting Relay Set includes】:1 x 4.7 Ohm 1-pin PTC starting relay,1 x 6750C-005P Refrigerator Overload ProtAribrnten Aribrnten 6PCS Copper Terminal Auto Relay 30A Fused On/Off Car Motor Relay with Holder Socket On/Off Fused Relay 12V 4PI Contact load: 30AWakects Heavy Duty Car Starter Relay DC 12V 100A Normal Open Car Relay Electrical Relays Switch - Dustproof Design & 4-pin Relay 【Efficient Battery Control】: The 12V 100A Normal Open Heavy Duty Car Starter Relay offers reliable control over your batHIMARKLIF HIMARKLIF 4PCS Main Harness 30Amp Relays 5Pins 12V Compatible with 2008+ Sea-Doo GTI GTR GTS GTX RXP RXT Cruise Spark 90 【Replace Part Number】: 278003828, G8V-RH-1C7T-R-DC12, 278002822, 278002168;Spacesea Spacesea 12V 100Amp 4-Pin Heavy Duty ON/Off Switch Split Charge Relay for Auto Boat Van Black Heavy-Duty Performance: Our 12V 100Amp 4-Pin ON/Off Switch Split Charge Relay is designed to handle power demanding applYINETTECH YINETTECH 2Pcs 871E-1A-D-R1 U15 12VDC 35A 4 Pin ISO Normally Open Micro Car Relay for Cars Trucks Industrial Equipment SPNO contact configuration available.WEZCHUGHAOL WEZCHUGHAOL 2 Pack 12V 4 Pin,Car Accessories AC Starter Relay,Air Conditioner Relay Car Heavy Duty Switch,Replaces OEM 9 ★Volts: 12V, 20A, Four Pins Plug inPerGar Enclosed Relay,High Performance Replacement Heavy Duty Switching Fan Relay 12V 40A Used for Switching Single or Two Spee Unmatched Quality: Crafted with top-notch ABS plastic, this fan relay boasts exceptional durability and resistance to weEMSea EMSea 2pcs 4 Pin Start Relay 27002-1062 99994-1040 Compatible with Kawasaki ATV Brute Force 750 4x4i and Ninja 400 Compatibility: This 4-pin relay is compatible with Kawasaki ATV Brute Force 750 4x4i and Ninja 400 models.Jectse Waterproof Relay Fuse Box,12V 40A 5 Pins Relay Box Kit,Fuse Relay Box 6 Relay 11 ATC ATO Fuse Waterproof Relay Block Box WIDE APPLICATIONS: 12V car waterproof fuse relay box is widely used in buses, cars, tankers, ships, yachts and so on. Thtooloflife Tooloflife 15 Ohm 1 Pin PTC Relay for Refrigerator, Automatic, Black, Normally Open, Surface Mount, Refrigerator Relay Specification: PTC starter relay; Resistance: 15 ohm, 1 pin; material : plastic & metal.eMagTech eMagTech Refrigerator 3 Pin 15 Ohm PTC Starter/Start Relay with 1/5HP 220V-50/60HZ Round Overheat Protector for Portable Compressor PTC Start Relay Resistance: 15 Ohm, Pin Number: 3 Pin. Refrigerator Round Overheat Protector Power: 1/5HP (15EMSea EMSea 2X 4 Pin DC 12V 40A Car Relay with Fuse and Harness JD-2912 for Cars Trucks Motorcycles and Other 12V Vehicles Suitable for cars, trucks, motorcycles, and other 12V vehicles.Mingzhe SSR-40VA Solid State Relay Anti-Spark High Speed Industrial Automation Process [Anti-vibration, Long Service Life] : Designed to withstand vibrations and offer a long service life, making it reliableCIZZ Refrigerator Freezer Compressor PTC Starter Relay, 4 Pins Over Load Protector Accessories ZHB Series ✅IIdeal PTC starter relay replacement for your fridge or freezerDenash Delay Timer Relay, Self-Locking Delay Relay, 555 Timer DC 5V/12V/24V Time Relay 60 * 35 * 20Mm -20~60℃ for Anti-Reverse There are three working voltage versions of 5V/12V/24V for users to choose from.EMSea EMSea Air Conditioning Relay AC Compressor Fuse Relay Replacement 12V 39794-SDA-A05 for Car Auto Fits for: HONDA Civic (2006-On); CR-V (2007-On); FR-V (2004-On); Accord (2003-On; Jazz (2005-On)Jiawu Jiawu Relay, SSR Relay Compact Bolted Installation DC to DC Efficient Transmission for Control System (60A) SPACE SAVING: Designed with solid state relay, it is more compact than traditional relays, saving space and suitable forYINETTECH YINETTECH Automotive Relay Quick Connect SPDT 92181835 12V Suitable for Fuel Pumps Door Locks and Horns in Automobiles Power Relay: The OEM of this relay is 92181835. It is a 5-pin relay with a rated voltage of 12V.Reland Sun 5pcs 5V 12V 24V 2 Channel DC Relay Module with Optocoupler High/Low Level Trigger Expansion Board (12V) 5pcs 5V 12V 24V 2 Channel DC Relay Module with Optocoupler High/Low Level Trigger Expansion BoardLICHIFIT LICHIFIT Universal Refrigerator Compressor Relay Starter QP2-12 / QP2-15 Three Pin Inserts 15 Ohm High quality materials are used to ensure that you can use it for a long time.Reland Sun 5pcs 5V 12V 24V 2 Channel DC Relay Module with Optocoupler High/Low Level Trigger Expansion Board (5V) 5pcs 5V 12V 24V 2 Channel DC Relay Module with Optocoupler High/Low Level Trigger Expansion BoardTaiss Taiss/AC 24V LED Indicator Electromagnetic Coil Relay 14 Pins 10A DPDT 4NO+4NC with Socket Base、DIN Rail Aluminum、Screw This Electromagnetic Power Relay Exquisite workmanship ,Quality assurance for 2 years.If there are quality problems withBosch BOSCH 0332201107 Changeover Micro Relay - 5 Pins, 12 V, 30/10 A - Single [BOSCH EXPERTISE] - Bosch has been producing relays for vehicles and other applications for more than 40 years - this vaReland Sun 5PCS 5V 9V 12V 24V 1 Channel Relay Module with Optocoupler Isolation Support High or Low Level Trigger (24V) 5PCS 5V 9V 12V 24V 1 Channel Relay Module with Optocoupler Isolation Support High or Low Level Triggeraikoolwer aikoolwer Automotive Relay Switch Harness Kit 24V 40A SPDT 5 Pin Waterproof Heavy Duty Tinned Copper Wires Bosch Style C 24V 40A SPDT Relays - Composite housing with silver-alloy contacts and copper coilslaffoonparts laffoonparts 5 Pcs JD1914 Relay Socket 12V 40APM, Multi-Purpose Relay 5 Pin with Socket Holder Car SPDT Automotive Relay Replace Part Number: JD1914, 582195, 582472, 582473, 584416, 586147, 586224.Reland Sun 5pcs 5V 12V 24V Dual Channel Solid State Relay 2 Channel 2-Way Relay Module 240V 2A 2CH Low Level Trigger (5V) 5pcs 5V 12V 24V Dual Channel Solid State Relay 2 Channel 2-Way Relay Module 240V 2A 2CH Low Level TriggerOTOTEC OTOTEC 4Pcs Mini Relay Module Board Compatible with Wemos D1 Compatible with NodeMCU Compatible with Wemos D1 mainstream development boards, compatible with Ar-duino, compatible with NodeMCU, etc.Oreilet Digital Cycle Timer Relay, DC 12V Adjustable Cycle Delay Timer Relay Module Digital Display Timing Delay Board for Solen 【Multifunctional】This delay timing relay has 6 kinds of commonly‑used functions to meet more application needs, P1-1, P1wangjue 10 PCS Relay Base Holders, 12V/24V 30-80A 5 Pin Sockets with 50 Terminals 6.3mm/0.24In Kits, Automobile Universal Replac 【Relay socket】also used when pulling out heavy amperes, such as car alarm clock, remote start, headlights, bounce out, tReland Sun 5pcs 5V 12V 24V 2 Channel DC Relay Module with Optocoupler High/Low Level Trigger Expansion Board (24V) 5pcs 5V 12V 24V 2 Channel DC Relay Module with Optocoupler High/Low Level Trigger Expansion Boardvvag vvag 2Pcs CF13KT LED Flasher Relay, Adjustable 3-Pin LED Blinker Relay 12V Flasher Relay for LED Turn Signal Fixing Flas 💡PRODUCT SPECIFICATIONS: The LED flasher relay size is 1.18*1.18*1.18 inch. 2 pieces in each package. The LED flasher rvvag vvag 2Pcs CF13KT LED Flasher Relay, Adjustable 3-Pin LED Blinker Relay 12V Flasher Relay for LED Turn Signal Fixing Flas 💡PRODUCT SPECIFICATIONS: The LED flasher relay size is 1.18*1.18*1.18 inch. 2 pieces in each package. The LED flasher rCasalytics Relay 90987-02004 (Pack of 4), 056700-5260 12VDC 40A 4Pins High-Performance Automotive Power Relay - 90987-02004 056700- Reliable Power Relay: The Replay 90987-02004 is a high-quality automotive power relay designed to deliver reliable perfoEMSea EMSea 7 Pin 12V LED Indicator Flasher Relay Compatible with Suzuki Compatible with GSXR 600 750 1000 GSF 650 It will solve LED Light related indicator signal problems such as hyper flashing, not flashing just replace bad relay.YIQFOCA 5 Set 3V 1 Channel Relay Power Switch Board, High Level Driver Optocoupler Module Isolated Drive Control Board for ESP82 You will recevie 5Pcs 3v Relay 1 Channel power switch module compatible with 10A 250VAC and 10A 30VDC load.5pcs * 2.5 mmOpenlot 4 Pack G8HL-H71 AC and Starter Relay 39794-SDA-A05 Power Relay Assembly Compatible for 2003-2014 Accord 2006-2014 Civic Quality Assured: Made in the USA, top-quality starter relays constructed of high-quality materials for long-lasting duraMaypole Maypole 12V 7 Way Bypass Relay with Audible Buzzer Trailer and Caravan Towing Electrics A 7 way bypass relay is connected directly to the vehicles lighting circuits to control the lights on a trailer and caraBosch BOSCH 0986332002 Normal Open Mini Relay - 4 Pins, 12 V, 70 A - Single Normally open relay, 12V, relay switch, four pole relayAsixxsix Timer Relay, Multifunctional LCD Display Cycle Timing Switch Board Time Relays Controller Boards Motor, Digital Timer De This delay timing relay has 6 kinds of commonly‑used functions to meet more application needs.ESUPPORT E Support 5Pcs Universal Black Car Truck Auto 12V 80A 80 AMP SPST Relay 4 Pin 4P Brand new heavy duty SPST relaysAswalling Aswalling New 8 Round Pin 8-Pin PF083A Relay Base Socket Total Size (.): 5.5 x 4 x 1.6cm / 2.2" x 1.6" x 0.6" (L * W *T)ECSiNG ECSiNG 12V 3 Pin LED Indicator Flasher Unit Relay Max 30W LED Light Flasher Blinker Relay Turn Signal Relay for Vehicles [Function] This 3pin car flashing light can improve the safety of your vehicle, the design working voltage is 12V, and tYDuupxe YDuupxe Timer Relay Module DC12V Adjustable Relays Time Delay Timer Module LED Display Delay Turn Off Switch Switch Module Timer-Actuator ConnectTrigger to connect, and will disconnect after delay time; if Actuator during delay tBe In Your Mind Be In Your Mind 2pcs CF14KT 3Pin 12V Flasher Relay Adjustable LED Electronic Flasher Relay Fixes Car Turn Signal Warn Hy The CF14 relay helps to solve car or motorcycles turn signal related issues such as rapid flash, no flash or bulb-out waSTINGER Stinger SGP35 500-AMP Relay and Isolator, Black 500 AMP High Current Relay/Isolatorfasient DC 6-30V Digital LED Relay Board Cycle Timing Circuit Switch Timer Delay Trigger Module Micro USB 5V 6-30V input voltage range, support micro USB 5.0V power supply, convenient to useReland Sun RELAND SUN 5V 12V 24V 1/2/4/6/8 Channel Relay Module (CH2,12V) 5V 12V 24V 1/2/4/6/8 Channel Relay ModuleUCkasayfy Split Charge Relay Dual Battery Isolator Voltage Sensitive Relay VSR Smart Battery Isolator 12v 140amp with Led Voltmete 【Function】——Voltage Sensitive Relay(VSR) cuts in at 13.3v and cuts out at 12.8v to ensure your main battery is always chDenash Self-Locking Delay Timer Relay, 555 Timer DC 5V/12V/24V Time Relay 60 * 35 * 20Mm -20~60℃ for Anti-Reverse Function Trig There are three working voltage versions of 5V/12V/24V for users to choose from.Big Oz Lebowski Dishwasher Heating Relay PCB Module – Compatible with Miele Dishwashers | Fix F24| Part No: 09053390 【⚙️】Part No: 09053390 | 2233943 | 9053390SING F LTD SING F LTD 1pcs ESP8266 ESP-01S 5V WiFi Relay Module for Smart Home Remote Control Switch Based on ESP-01S WIFI module.TopHomer Bluetooth Relay Module, 12V Mobile Phone Remote Control Switch with Indicator Light Compatible with Android System Onboard Module: onboard SPP-C bluetooth serial port integrated with wireless control function.Reland Sun 5pcs 4 Channel CH4 5V 12V 24V Relay Module Shield for ARM PIC (12V) 5pcs 4 Channel CH4 5V 12V 24V Relay Module Shield for ARM PICMURANCLOUD DC 12V Wireless Remote Control Switch 433Mhz 30A 12V Relay DC 24V 36V 48V Wireless Switch in Household and Industrial Fi EasyTo Use: Remote control and receiver are paired and tested before shipment, when you get it don't need to do anything1PZ 1PZ DCR-M70 DC 5V 8 Channel Relay Module Board Solid State Relay with Optocoupler Replacement for Arduino UNO R3 MEGA 25 【Compatibility】 Suitable for all kinds of electronic devicesReland Sun Reland Sun 5PCS Solid State Relay G3MB-202P-5VDC G3MB-202P-12VDC G3MB-202P-24VDC 2A DC control AC 5V 12V 24V (5V) 5PCS Solid State Relay G3MB-202P-5VDC G3MB-202P-12VDC G3MB-202P-24VDC 2A DC control AC 5V 12V 24VReland Sun 5pcs 1 Channel CH1 5V 12V 24V Relay Module Shield for ARM PIC (5V) 5pcs 1 Channel CH1 5V 12V 24V Relay Module Shield for ARM PICGeneric Generic 2 Channel DC 5-32V Relay Module for Modbus RTU, RS485 Relay Module with 8 Bit MCU for Digital Quantity Detection Easy Control: The relay module allows for easy control of larger currents with a small input current, providing automatiQezodsx Qezodsx One Channel Relay ESP32-WROOM Development Board Single Relay Module DC 7-60V Power Supply for Home Appliance Acc 1. On-board and stable ESP32-WROOM-32E module, capacity 4M Flash;CHENBO 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler for Arduino The module uses genuine quality relay, normally open interfacesReland Sun RELAND SUN 5Pcs Relay SRD-06VDC-SL-C SRD-06VDC-SL SRD-06VDC SRD-06V relays 5PINS 6V DC 5Pcs Relay SRD-06VDC-SL-C SRD-06VDC-SL SRD-06VDC SRD-06V relays 5PINS 6V DCHepzest Hepzest 2-Channel WiFi Relay Module 30A ESP32-WROOM-32E Development Board Module for Smart Home Wireless Control DC7-28/ Onboard programmable buttons, LEDs and relays facilitate developers to quickly conduct prototype verification and develoReland Sun RELAND SUN 5Pcs Relay SRD-06VDC-SL-C SRD-06VDC-SL SRD-06VDC SRD-06V relays 5PINS 6V DC 5Pcs Relay SRD-06VDC-SL-C SRD-06VDC-SL SRD-06VDC SRD-06V relays 5PINS 6V DCsb components sb components Pico Single Channel Relay HAT for Raspberry Pi Pico, Stackable, Opto-Isolated, 7A/250VAC, 15A/120VAC, GPIO Opto-Isolated single channel relay hat for raspberry pi pico seriesGeneric 4 Channel DC 12V Relay Module with Optocoupler Isolation Relay Control Board Maximum 250V 10A and DC30V 10A.Homyl HOMYL DC 12V 8-Channel USB Relay Module – PC-Controlled HID Relay Board for Home Automation Device Switching [Multi-Channel Relay Board] Equipped with 8 relays SRD-05VDC-SL-C, allowing control of multiple circuits through a singlReland Sun RELAND SUN 5V 12V 24V 1/2/4/6/8 Channel Relay Module (CH2,24V) 5V 12V 24V 1/2/4/6/8 Channel Relay ModuleReland Sun 5pcs 4 Channel CH4 5V 12V 24V Relay Module Shield for ARM PIC (5V) 5pcs 4 Channel CH4 5V 12V 24V Relay Module Shield for ARM PICMURANCLOUD DC 12V 24V 36V Wireless Remote Control Switch 433Mhz 4CH Remote Relay Receiver with 2 Transmitters for Garage Door Opene 4 Channel For Wireless Control: the remote switch is a learning switch, it can learn different coding remote controls (sReland Sun 5V 12V 24V 2-Channel Relay Module Shield for Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V) New 5V relay module, Channel: 2, Material: Durable hard PCB.Reland Sun 5PCS KY-019 5V One Channel Relay Module Board Shield PIC AVR DSP ARM Relay 5PCS KY-019 5V One Channel Relay Module Board Shield PIC AVR DSP ARM RelayRhoyee Rhoyee 4PCS Aluminum Relay Batons Lightweight Track Batons with Smooth Surface and Bright Colors Ideal for School Sports High-Quality Aluminum Construction Constructed of premium aluminum alloy, these batons are ultra-lightweight yet durableReland Sun 5pcs 4 Channel CH4 5V 12V 24V Relay Module Shield for ARM PIC (24V) 5pcs 4 Channel CH4 5V 12V 24V Relay Module Shield for ARM PICReland Sun 5pcs 2 Channel CH2 5V 12V 24V Relay Module Shield for ARM PIC (12V) 5pcs 2 Channel CH2 5V 12V 24V Relay Module Shield for ARM PICWaveshare Waveshare RPi 8 Channel Relay Expansion Board 5V Power Supply Compatible with Raspberry Pi A+/B+/2B/3B/3B+/4B Control Hi Supports Raspberry Pi A+/B+/2B/3B/3B+, Jetson Nano; High quality relays, loads up to 5A 250V AC or 5A 30V DCXYusuf Automotive Relay Tester 12V Car Relay Diagnostic Tool, 12V 4 Needle and 5 -Pin Relay Test, Suitable for Car Enthusiasts, [Precise Diagnosis] Use smart chips to quickly judge the condition of automotive relay. The indicator light prompts -gre45% Off meross meross Wi-Fi Relay WLAN Switch, Relay Module for Smart Home, Compatible with Apple HomeKit, Alexa and Hey Google, Surfac Smart Switch: meross relay module fits into any standard electrical box and can be surface-mounted/flush-mounted. UpgradeMagTech eMagTech 2PCS 2 Channel DC 5V Relay Module PCB Control Board for MCU Control Industrial Sector PLC Control Smart Home Co You will receive 2pcs DC 5V 2 relay module.SunFounder SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Arduino UNO R3 MEGA 2560 5V 2-Channel Relay interface board, and each one needs 15-20mA Driver CurrentWaveshare 8-CH Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protectio This product is an industrial 8-ch relay module controlled via Ethernet port, adopts Modbus RTU/Modbus TCP protocols, sucizihuu 1pcs 5V Solid State Relay Module,5V 1 Way Low the CH terminal is the module trigger terminal.When there is a trigger signal,the solid state relay's output terminal sw