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Best Choice DIGISHUO 
DIGISHUO 10pcs 5V 650 nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm ※Application: Level instrument, Ground instrument, Long distance laser listener remote light control, Long distance laseYILUBAO 
650nm 5mw Red Laser Diode Module Dot/Line/Cross For Positioning With 5V Adapter (Dot) Wavelength:650nmBest Value ARTBE 
532nm -50 Green Laser Diode Dot Module Spot Beam with Glass Lens 40mmx21mm Output wavelength: 532 nmUbden 
SLD 3232 VF 405 nm 50(m.w) Purple 5.6mm TO-18 Laser Diode with PD Size: Φ5.6mmAdafruit ![Adafruit Laser Diode - 5mW 650nm Red [ADA1054]](https://images.bestdealsau.com/image/fetch/c_scale,f_auto/https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F51SbHc-u9tL._SL160_.jpg)
Adafruit Laser Diode - 5mW 650nm Red [ADA1054] DTOL 
DTOL 10pcs 5V 650nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm Reland Sun 
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Laser diode housing: Outside Size: 12x45mmKiro&Seeu KIRO&SEEU 5pcs KY-008 Laser Transmitter 5V Laser Dot Diode Sensor Module Board for Arduino Model: KY-008kinglight 2pcs 16x50mm Metal Laser Diode Host W200nm-1100nm Collimation Lens for TO-18 LD DIY Material: MetalAufero Aufero Laser 1 Laser Engraver, 5W Long Focus Diode Laser Engraver, Laser Wood Cutter and Engraver Machine, 7.1x7.inch En 5W Diode Laser Engraver: Module Model: LU2-4-LF; Output Power: 5-5.5W; Motherboard: 32-bit MCU; High Baud Rate: supportsLP-LaserPair LaserPair Red Laser Safety Glasses 630-660nm OD4+ Diode Laser Glasses 800-1100nm OD5+ Laser Safety Goggles Eye Protectio Protection Scope: 630-660nm O.D 4+ & 808 - 1100nm O.D 5+; Visible light transmittance: 20%;NC 405nm 450nm 480nm Blue Laser Diode Dot Focus Lens 4pcs Coated Glass Collimator Lens for Full Thread Wavelength: 400nm - 480nmNC 405nm 450nm 480nm Blue Laser Diode Dot Focus Lens 4pcs Coated Glass Collimator Lens for Full Thread Wavelength: 400nm - 480nmKiro&Seeu KIRO&SEEU 2pcs KY-008 Laser Transmitter 5V Laser Dot Diode Sensor Module Board Compatible with Arduino Laser Transmitter Model: KY-008NC 20pcs 12x40mm Metal Diode Housing Case Host W200nm-1100nm Dot Focus Lens for 5.6mm TO18 Blue Red IR Laser Diode DIY Material: AluminumNC 5pcs / lot coated glass collimator lens for 405nm 450nm violet/blue laser diode Wavelength: 400nm - 480nmkinglight 5 Pcs 12x30mm 3.8mm TO-38 Metal Laser Diode Module Housing Focus Lens 200nm-1100nm Lens: 200-1100nm with plastic lensCechoayuu Cechoayuu Laser Diode Head Laser Head CD Laser Head, Corrosion Resistant KES-460A Model Easy to install, no complicated tools needed, easy to usekinglight 8 Pcs Aluminum DIY 5.6mm Laser Diode Host Case Housing w 200nm - 1100nm Adjustable Laser Collimator Lens 12 x 30mm Material: AluminumJTSF Focusable 100mw 980nm Infrared IR Laser Diode Dot Module+ TTL+ Fan Cooling DC12V Laser head size: 50mmx33mmx33mmATOMSTACK ATOMSTACK P1 Dual Laser Engraver, 5W Diode, 1.2W Infrared Laser, Laser Cutter, Enclosed Laser Engraving Machine, Beginne 【Safe and easy for beginners, dual laser class 1 certified】ATOMSTACK P1 dual laser (5W diode laser 455nm and 1.2W infrarAyayu Laser Engraver Working Panel, 500 * 500mm Honeycomb Laser Bed with Corner Protect Cover, Engraving Cutter Machine Table JTSF 100mw 532nm Green Laser Diode Module Focusable Line Positioning 12V Driver TTL Wavelength: 532nmAyayu Laser Engraver Working Panel, 500 * 500mm Honeycomb Laser Bed with Corner Protect Cover, Engraving Cutter Machine Table Usongshine TTS-10 80W Laser Engraver Machine Laser Cutter Laser Cutting Engraving Tool for Wood Metal Aluminum Glass Leather TTS-10 Laser power: 10W, Machine output power: 80W. 6-time cutting experience: 8mm acrylic, 20mm plywood.Gransumr IPL Laser Hair Removal Device Permanent Painless Remover Reduction in Hair Regrowth for Women and Man at Home Whole Body Permanent & Effective Hair Removal: Gransumr IPL laser hair removal device breaks the cycle of hair regrowth. The resultWiley Diode Lasers and Photonic Integrated Circuits (Wiley Series in Microwave and Optical Engineering Book 218) JTSF 808nm 500mW Focusable Infrared IR Laser Diode Dot Module 12V with TTL and Fan Cooling Laser head size: 50mmx33mmx33mmkinglight Diameter 16mm Adjustable Focus 5.6mm TO-18 Laser Diode Housing Case with Shell, Lens and Spring Dimensions: 16x50mmCapillus Capillus82 Mobile Laser Therapy Cap for Hair Regrowth - NEW 6 Minute Flexible-Fitting Model - FDA-Cleared for Medical Tr IF HAIR LOSS RUNS IN YOUR FAMILY, the Capillus82 laser hair growth therapy cap may be right for you. With a 95% success15% Off JILERWEAR JILERWEAR Professional Safety Glasses for 405nm, 445nm, 450nm, 532nm, 850nm and 190nm-490nm Wavelength Violet/Blue/Red L 👓[CERTIFICATION STANDARDS]-EN207: 1998 + A1EN207: 1998 + A1: 2002 approved (European laser eyewear standards for laserIndependently published 3D-Druck und Dioden-Laser in der Amateurpraxis NC 20pcs 12x40mm Metal Diode Housing Case Host W200nm-1100nm Dot Focus Lens for 5.6mm TO18 Blue Red IR Laser Diode DIY Material: AluminumCechoayuu Cechoayuu Laser Diode Head Laser Head CD Laser Head, Corrosion Resistant KES-460A Model Easy to install, no complicated tools needed, easy to usekinglight 8 Pcs Aluminum DIY 5.6mm Laser Diode Host Case Housing w 200nm - 1100nm Adjustable Laser Collimator Lens 12 x 30mm Material: Aluminumkinglight 5 Pcs 12x30mm 3.8mm TO-38 Metal Laser Diode Module Housing Focus Lens 200nm-1100nm Lens: 200-1100nm with plastic lensJTSF Focusable 100mw 980nm Infrared IR Laser Diode Dot Module+ TTL+ Fan Cooling DC12V Laser head size: 50mmx33mmx33mmkinglight Diameter 16mm Adjustable Focus 5.6mm TO-18 Laser Diode Housing Case with Shell, Lens and Spring Dimensions: 16x50mmJTSF 100mw 532nm Green Laser Diode Module Focusable Line Positioning 12V Driver TTL Wavelength: 532nmxTool xTool F1 Ultra 20W Fiber & Diode Dual Laser Engraver, 10000mm/s Ultra Fast Laser Engraver and Cutter Machine for Jewelry Support Almost All Materials Ultra-Fast: Introducing the world's first 20W fiber and diode dual lasers, achieving speedsBosch BOSCH GLL3-300 200 Ft 360 degree Three-Plane Leveling and Alignment-Line Laser, Includes 4 AA Batteries, Positioning Dev VISIMAX TECHNOLOGY: Built-in technology monitors power consumption to maximize line visibility and extend battery life.JTSF 808nm 500mW Focusable Infrared IR Laser Diode Dot Module 12V with TTL and Fan Cooling Laser head size: 50mmx33mmx33mm