<b>Specifications:</b><br><br> Wireless:Bluetooth4.0 &ANT+<br> Transmission Distance:Bluetooth4.0: 10m; ANT+: 6m<br> Device size:41*34*10mm<br> Battery life:Speed Mode320h Cadence Mode 320h<br> Waterproof level:IP67<br> Applicable objects: riding APP, riding platform software, stopwatch, sports watch, etc.<br> Easy to switch the mode between speed and cadence:This one do not need magnet,easy to install.<br> Cadence mode:Install the sensor on to the crankwith the rubber tie. Speed Mode:Install the sensor on to the wheel with the rubber tie.<br><br> NOTE: Please understand that this could not track your speed or cadence simultaneity. <br><br> <b>Package Included:</b><br><br> 1 * Speed cadence sensor<br> 2 * Rubber mat(flat,curved)<br> 4 * band(large,small)<br> 1 * User manual<br>