4 In 1 Functions Digital Mini Compass Altimeter Thermometer Barometer Equipment With Carabiner

Specification:
Altimeter Measuring Range: 0~5000m
Barometer Pressure range: 600~1000hpa
Temperature Measuring Range: -30~50° C
High Accuracy: ±20m
Temperature Accuracy: ±2° C
Size: 68mm(D) × 85mm(L) x 67mm(Compass Length)
Dial Diameter: 60mm
Weight: About 190g

Features:
Lightweight and portable, mechanical and battery free.
With weather forecast function, keep you ready for weather changes  
With compass, thermometer and hook, satisfies all requirements in sports.
An ideal tool for climbing, camping, hiking, hunting, skiing and any other outdoor sports.

Package Included:
1 x Compass Altimeter 
1x Carabiner
1 x User Manual