Waterproof FR500 Multifunction LCD Digital Altimeter Barometer Compass

DESCRIPTION:

Features: 
Adopt super-accuracy sensor from Swiss. 
Altitude total gain/loss, 24 hours altitude record and chart. 
Max/min altitude, temperature, huminity record. 
24 hours air pressure trend chart. 
Incorporates altimeter, barometer, compass functions, etc. 
Thermometer, hygrometer, time, date, alarm clock, LED torch. 
Built-in rechargable battery. 
LCD backlit. 
IPX 4 waterproof. 

Specifications: 
Altimeter: 
Altimeter range(-700 to 9000m/-2296 to 29500ft) 
Resolution of 1 meter/feet 
Max./Min. memory for altitude 
Altitude history and graphical display of the last 24 hour altitude readings 
Altitude total gain or loss 44999 meter/feet 

Barometer: 
Pressure range 300hpa to 1100hpa(8.84inHg to 32.44inHg) 
Resolution of 0.1hpa(0.01inHg) 
24 hour pressure history and graphical display 
Electronic pressure weather forecast(sunny, slightly cloudy, cloudy, rainy) 
Pressure trend indicators 

Thermometer: 
Range from -20C toC (-4C to 140C) 
Max./Min. memory for temperature 

Hygrometer: 
Relative humidity(20% - 95%) 
Max./Min. memory for relative humidity 

Package: 
Material: Plastic 
Color: Black + yellow 
Built-in battery:300mAh 
Item size: 10 * 6.5 * 2cm / 3.9 * 2.6 * 0.8in 
Item weight:70g / 2.5oz 
Package size: 16 * 11 * 3.5cm / 6.3 * 4.3 * 1.4in 
Package weight: 128g / 4.5oz