If you want to know the cadence and speed data at the same time,two sensors are necessary and cheaper！

Please check whether your apps support both two sensors(cadence and speed) before you make orders

Features

1.Connects via Bluetooth 4.0 and ANT+ to your iPhone 7.0 and above, Android 4.3 and bike computer(like Garmin,Byton etc.). 2.Light weight and easy to install - track the cadence and speed by earth induction, NO need MAGNETS. 3.Low power consumption, 400 hours working time, 1 x removable 2032 button battery.

Support Bluetooth & ANT+

Cadence Sensor Mode

Reinstall the battery until the red light flashes to indicate the cadence mode. Rotate the crank and search for the sensor using ANT+ or Bluetooth device

Speed Sensor Mode

Reinstall the battery until the blue light flashes to indicate the speed mode. Spin the wheel and search for the sensor using ANT+ or Bluetooth device.

Replaceable Battery

The working time reach 400 hours,can be used continuously a year if you ride 1 hour per day. No recharging!

Sleek, Lightweight Design

Sensors weigh only 7 grams(without battery). Perfect for spin class or use with multiple bikes.

Waterproof

IP67 Waterproof, enjoy your cycling every day in all weather.

For Indoor Trainer

Zwift，Tacx，Bkool

For Cycling Computer

Track and capture real time cycling speed & cadence data on your Bike Computer. XOSS G/G+，GARMIN，IGPSPORT，bryton

For Smart Phone Apps

Send data to your favorite cycling apps - Zwift、Openrider、Wahoo、Cyclemeter 、Onelap and so on.