This wheel-on bike resistance trainer can connect to Zwift, Onelap, and other cycling apps. Hone your ride with personal training, group rides with friends online, or online cycling events. Use the multi-function sensor to accurately track cycling cadence or speed in real-time. The smart trainer is equipped with power and cadence sensors. Lightweight design installs easily on your bike''s crank or wheel hub with the included rubber-elastic rings. The indoor bike trainer with noise reduction wheel makes your cycling virtually silent, which affords lower friction than other similar stationary bikes. Simultaneously record data on multiple devices with this power sensor. Data transmits in 3 seconds to keep you informed while riding. Track all your rides with the 400h battery life. Maxmium Power is 500W. IP66 rating makes this sensor water and dust-proof. (A8-27)