3 in 1 Camping Climbing Hiking Mini Carabiner with Keychain Compass Thermometer Hanger Key Ring Black

Waterproof / Water-Resistant:NoShockproof or Not:YesWith Noctilucent Display or Not:NoDial Display:PointerUse:ThermometerCarrying Mode:Hanging Ring TypeOutdoor Activity:CampModel Number:P-SH-OD-1315Size:125 x 31x14mmNote: the thermometer has an error of 2-3 degreesGuide (north) needle use method: 1. Flat guide (north) needle, as long as the rotary table to stop rotating, look at the words on the dial. The Chinese version of east-west north and south refers to the direction of east-west north and south. N is north, S is south and E is east. W for the west.Note: 1. When using the north needle, there must be no iron, magnet, etcArticles for use in disturbance guide (north); 2. When not in use, keep away from magnets and ironMagnetic articles such as constant temperature to avoid light storage.Thermometer -20-50 degreesSize: 125x31x14mm(round key ring diameter 25mm, climbing buckle length 57mm, width 31mm. Compass and thermometer diameter 20mm)