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Best Choice Estes 
Estes Altimeter A sophisticated and lightweight electronic payload for accurately measuring your model rocket altitudesBewinner 
Bewinner 8 in 1 Handheld Digital Multimeter with Altimeter for Climbing Outdoor Navigation Application for mountaineering, camping, mountaineering and other outdoor places.Best Value 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 -Jolly Logic 
Jolly Logic AltimeterTwo Measures peak altitude to 29,500 feet (9,000 meters)Generic 
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