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Best Choice Vixen 
Vixen 46811 Vixen Altimeter, Analog with Barometer, Black [Altimeter Function] Method: Aneloid type (dial perimeter reading type) with weather sensor display measuring range: 0 -REFENG 
REFENG Portable Multi Functional Digital Altimeter Barometer for Outdoor Camping Hiking Climbing 🍎 Battery-free, maintenance-free, easy to use in wild.
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Estes Altimeter A sophisticated and lightweight electronic payload for accurately measuring your model rocket altitudes
Vintage Thommen 15000 Altimeter 19 jewels , With Strap Bewinner 
Bewinner 8 in 1 Handheld Digital Multimeter with Altimeter for Climbing Outdoor Navigation Application for mountaineering, camping, mountaineering and other outdoor places.Generic 
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