Features1Low Energy Technology: Send real time speed, distance and cadence data to a compatible training app or monitor by using ANT and connectivity and Bluetooth low energy technology. 2Stable Signal and Accurate Data: The signal of the speed cadence sensor is stable, the data is accurate, and the data is still stable on uneven roads. 3Long Lasting Battery Life: The bike speed and cadence sensor can last for a long time, ride for 1 hour a day, and work stably for 300 days. 4Strong Waterproof Performance: The speed cadence sensor has IP67 strong waterproof, no fear of rain and water, good riding experience. 5Protocol Standard: This bicycle speed and cadence sensor can be connected to various Bluetooth or ANT+ enabled APPs and devices.SpecificationItem Type: Bicycle Speed Cadence SensorProduct Material: ABS PlasticProduct Color: BlackWeight: Approx. 30g / 1.1ozBattery Capacity: 220mAhBattery Type: One CR2032 battery Is Required (Shipped With Built in Battery)Endurance Time: 600 Hours (Cadence), 400 Hours (Speed)Standby Time: 300 DaysProtection Class: IP67Available Objects: for Garmin, for Wahoo, for Zwift, for TacxBryton, etc.Protocol Standard: The sensor can be connected to various Bluetooth or ANT+ enabled APPs and devicesPackage List1 x Sensor2 x Rubber Pad2 x Rubber Ring1 x Chinese and English Manual