Colour: Black <br> <br> Material: ABS <br> <br> Use battery type: CR2032 button battery <br> <br> Life time: about 180 hours <br> <br> Features: sensor, wireless interface, display speed <br> <br> Transmission protocol:Bluetooth-compatible 4.0/ ANT <br> <br> Waterproof rating: ip66 <br> <br> Product accessories: 1*cadence sensor <br> <br> Product size: 8.85x29.8x38.3mm <br> <br> Product weight:9g <br> <br> &nbsp; <br> <br> Specifications: <br> <br> 1. Waterproof IPX66: High waterproof level, supports riding in the rain, can be exposed to rain and soaked in shallow water for a short time. <br> <br> 2. Peripheral connection protocol: ANT Bluetooth-compatible dual mode, supports a variety of peripheral accessories. <br> <br> 3. Easy to install: The product accessories are complete and easy to install, and can be operated by themselves, which is convenient and convenient. <br> <br> 4. Easy to use: The information is transmitted from the sensor to the computer unit wirelessly, which is more convenient to use and has a longer service life. <br> <br> 5. Super battery life: CR2032 button battery, large battery capacity, super battery life about 180 hours. <br> <br> Package Included: <br> <br> 1*Cadence sensor <br> &nbsp; <br> <br> &nbsp; <br> <br> &nbsp; <br> <br> &nbsp; <br> <br> &nbsp;