Package 1BC108+Cadence Package 2BC108+Cadence+Speed Package 3BC108+Heart Rate Monitor Chest Strap Package 4BC108+Cadence+Heart Rate Monitor Chest Strap Package 5BC108+Cadence+Speed+Heart Rate Monitor Chest Strap Package 6BC108+Armband Heart Rate Monitor Package 7BC108+Cadence+Armband Heart Rate Monitor Package 8BC108+Cadence+Speed+Armband Heart Rate Monitor Function: AVG/MAX/MPH/KMH/HRM/CAD/CRA/TIME/ALT/ODO/DST/AST/CAL/LAP/PWRS/YTC THINKRIDER BC108 GPS Bike Computer 2.3-Inch Big Digital Screen 27 hours Battery life GPS and BEIDOU Positioning BC108 has 2 modes of global positioning (GPS/GPS&BEIDOU), which can provide accurate GPS data all over the world. After power on, it will automatically capture GPS and Beidou signals and automatically calibrate the time. You can also close GPS for indoor cycling. ANT+ Sensor Compatibility Built for both budget and convenience, BC108 maximizes compatibility by working perfectly with ANT+ sensors, such as: heart rate monitor, speed and cadence sensor, power meter. IPX7 Waterproof Comes with IPX7 rating, it is splashproof while being small and exquisite.You can ride daily without fear of rain. Auto Backlight ThinkRider Bike Computer has a light sensor in the upper left corner.It can directly judge the level of light, even in the day when through the tunnel or when the weather is dark,it will turn on the backlight.It"'"s smarter and reliable. Powerfun app Set the bike computer through Powerfun APP,including: quickly connect and easily set the device, record and analyze cycling activity records, update the latest firmware and so on. Cycling data, Tracking records can be saved and shared to Strava via POWERFUN app. Sync to Strava You can sync activity .Fit"file to Strava via POWERFUN App on your phone. Specifications BC108 GPS BIKE COMPUTER Brand: ThinkRider Model: BC108 Wireless: ANT+ & BLE Language: English Dimension: 81x54x21.4mm Weight: 68g Display: FSTN Screen, 2.3 inch Battery Capacity: 1000mAh Back Light: Yes Lap Count: Yes Locate Mode: GPS & BDS Material: PC+ABS+TPU Water Resistance: IPX7 Storage Format: .fit Battery Life: 27 hours for a single use after fully charged File Transfer: BLE (Specified App Compatible) Accessories Supported: ANT+ peripherals (Heart Rate Monitor, Speed Sensor, Cadence Sensor, Speed and Cadence 2in 1 Sensor, Power Meter) Accessories Product pictures