Manual:http://www.sunding.com/uploads/SuoMingShu/SD-518en.pdf
Tech:BLE2.4GHz Wireless
Battery Lifetime(approx):500hours
Battery:CR2032×1pc(included)
Transmisson range:< 3 meter(9.9ft)
Waterproof:Splash proof
Operating temperature:-10℃～50℃(14℉～122)
Weight:40g/1.41oz(Bike combo sensor)
