Altimeter wiht Compass & Heart Monitor
Altimeter
Compass
Heart rate monitor
Barometer
Thermometer
Weather forecastRelative height measurement
Record the highest and lowest altitude Automatically
Altitude Alarm
Climbing speed measurement
Record the total height automatically
Metric version and imperial version alternative
Calendar&Time
Chronometer & Timer
EL backlight
30M waterproof
Japanese Battery CR2032
Size:51x62x17mm