Photo 1 of AMTAST Barometer Altimeter Thermometer Metric Altitude Monitor for Climbing Camping Outdoor Sports, Multi-Function with Backlight

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Photo 1 of AMTAST Barometer Altimeter Thermometer Metric Altitude Monitor for Climbing Camping Outdoor Sports, Multi-Function with BacklightPhoto 2 of AMTAST Barometer Altimeter Thermometer Metric Altitude Monitor for Climbing Camping Outdoor Sports, Multi-Function with Backlight