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Connects to bike computer (Xoss , Sigma Garmin,Byton etc.) via ANT+ or Bluetooth.

Features:

• IP67 Waterproof
• Light weight and easy to install - track cadence or speed , No Magnet Needed
• To Change The Sensor Mode Use a coin to open the battery cover then reinstall the battery to change the sensor mode.Please set your bike wheel circumference correctly before using as a speed sensor.
• Low power consumption, 400+ hours working time, 1 x removable 2032 button battery.
• If you want know the cadence and speed data at the same time,two sensors are needed.