Kudoo GPS Electronic Altimeter, Portable Multifunction Handheld Device, Temperature Humidity Altitude Meter Barometer Compass With Flashlight Function IPX4 Grade Waterproof for Hiking Surveying

GPS dual system compatibility, two star positioning function, speed, distance, 9 sets course reversal/return records. Height gain/loss, 7x 24 hours historical height data/curve recording. Height change interval prompt, can set range of 1~200 meters. Height target reminder settings, historical height data analysis, temperature and humidity records, 24 hours air pressure trend curve display, 16 azimuth electronic compass function. Temperature, humidity, time, date, alarm clock, flashlight function, built-in rechargeable lithium battery, IPX4 waterproof grade.