Bryton Smart Speed Sensor

Magnet-less Cycling speed sensor with dual ANT+/BLE technology. Additional holes are designed for cable ties for maximum compatibility of all wheel sizes. Changeable CR2032 coin battery. ANT+ & Bluetooth Connectivity Wireless Speed Data on your bike computer and smartphone Compatible with all wheel sizes Smart Speed Sensor is so Magnet-less, and it is super easy to install, maintain and move between bikes. Long Battery Life Standby time 300 Days Working time 270 Hours Product Spec Wireless Technology - Bluetooth 4.0 & ANT+ Measurement - Speed Universal Fit - ✔ Magnet Free - ✔ Waterproof Rating - Incidental exposure to water of up to 1 meter for up to 30 minutes Battery - Replaceable (included) CR2032，Phillips Head Screw #PH0 / Maximum Torque 1.0 kgf.cm (0.1 Nm) Battery Life - Up to 270 Hours Operating Temperature - From -10º to 60ºC (from 14º to 140ºF)