DGYAO Sport Watch Men's Watch with Altimeter Barometer Temperature Weather Forecast Air Pressure Record Shockproof Waterproof(PI55) Watch Best for Fishing Hiking Camping &gt;Height, air pressure, temperature, weather forecast, as well as the correction of air pressure, height and temperature. &gt;Suitable for Climbing,Hiking,Fishing,Exploration,Extreme Sports &gt;Material is lighter, wear in hand without heavy feeling,wear comfortable &gt;Durable hardened mineral crystal protects watch from scratches &gt;Good qulaity ,Shockproof, 30M Waterproof <span class="a-text-bold">Alarm clock:</span>5 groups of clock- one with snooze feature, four ring on specified date. <span class="a-text-bold">Unit package size</span>90*90*100mm