4 in1 Digital Altimeter Barometer Compass Thermometer for Outdoor Camping Hiking Altimeter measuring range: 0~5000m Barometer pressure range: 600~1000hpa Temperature measuring range: -30~50 High accuracy: 20m Temperature accuracy: 2 Size: 68mm(D)  85mm(L)  67mm(Compass Length ) Dial diameter: 60mm Weight: 90g Package Included: 1 x Multifunctional altimeter barometer 1 x Hook 1 x User manual