Model Number : XOSS G2 Bike Computer Stopwatch and Accessories : Wireless Stopwatch Brand Name : XOSS Origin : Mainland China Certification : CE,FCC Net Weight : About 42g Screen : 2.2 inch ANT+ Sensors(G+) : Speed sensor, cadence sensor, heart rate sensor, speed/cadence sensor Battery Life : Up to 28 Hrs Battery Capacity : 500mAh Charging Cable : Type-C Waterproof : IPX7 Backlight : Auto/manual backlight App : XOSS Share App : STRAVA/Training Peaks XOSS G2, 2023 NEW Bigger Screen, Longer Battery Life, More Data!