SunDing SD518 Bluetooth Wireless Cycling Speedometer w/ Cadence Sensor

 Main Features:
- Bike combo sensor (included the cadence sensor and a speed sensor) attaches to the chain stay on your bike to help you track your speed and cadence accurately
- Suitable for iOS 6 system and above, for Android 4.3 system and above, with Bluetooth 4.0 function models
- Water resistant design makes it available to be used in rainy day
- Compatibility: can pairing with Bluetooth computer and compatible with iPhone 4S/5/iPod Touch 5/iPad 3/4/Mini, etc.

Vital Parameters:
- Tech: BLE 2.4GHz wireless
- Power source : 1 x CR2032 battery (included)
- Battery lifespan: 500 hours
- Transmission range: less than 3 meters
- Splash water resistant
- Operating temperature: -10 to 50 Deg.C

Significant Notes:
- Do not drop a bike sensor or object it to server shock.
- Do not expose it to extreme temperatures and excessive moisture.
- Use diluted neutral on a cloth to clean it.
- Do not attempt to disassemble, repair, or make any modifications to it. Otherwise, the warranty turns to be valid.