? Bring pleasure for your climbing， hiking， skiing and other outdoor sports.

Features:
4 in 1， includes altimeter， barometer， compass and thermometer.
Battery-free， maintenance-free and portable.
Comes with a carabiner， convenient to carry.
Ideal for climbing， hiking， skiing and other outdoor sports.

Specifications:
Altimeter measuring range: 0 ~ 5000m
Barometer measuring range: 600 ~ 1000hpa
Temperature measuring range: -30 ~ 50℃
Operating temperature: -20 ~ +40℃
Storage temperature: -30 ~ +65℃
Item size: 85 * 68 * 28mm / 3.3 * 2.7 * 1.1in
Dial diameter: 60mm / 2.4in
Item weight: 91g / 3.2oz
Package size: 14.5 * 13.5 * 3.5cm / 5.7 * 5.3 * 1.4in
Package weight: 182g / 6.5oz

Package List:
1 * Altimeter and Barometer
1 * Compass
1 * Thermometer
1 * Carabiner
1 * User Manual (English)