This 2.8 inch wide bike wireless computer with LCD backlight makes it easy to read during day and night. It is multifunctional and easy to operate with touch mode, great for your riding trip. Features: 2.8 inch wide screen with LCD backlight, can be seen clearly during day and night. Smart chip and stable performance, the data won't be lost when power is off. Easy to control with mode touch, ideal companion for your bicycle. IPX6 waterproof, will not be affected in rainy days. Multifunction, easy to operate. Three interfaces for different functions. Auto stand-by and auto wake-up. Identify bicycle movements automatically. Long battery endurance, only need one 2032 button battery(included) to support power. Available for two bicycles, press M key for 6 seconds to switch between 1 and 2. Suitable for most of bicycles with handlebar diameter between 25-31.5mm. Specifications: Material: Plastic; Battery: CR2023 button battery; Protect Rate: IPX6; Color: Black; Dimensions: 7 * 5cm / 2.8 * 2in; Weight: 170g / 6oz; Package Size: 10.5 * 7.5 * 6cm / 4.1 * 3 * 2.4in; Functions: Memory Function; Backlight; SPD Current Speed; AVS Average Speed; MXS Max Speed; ODO Odometer; TM Trip Riding Time; TEM Temperature; SW Stop Watch; Auto Stand-by/Auto Wake Up; Speed Tendency; Low Power Indicator(2.5V); DST Trip Distance; KM, M Selectable; Clock; Maintenance Reminder; Fat Fat Burn Measurement; Two Bicycle Using; Package List: 1 * Computer; 1 * Wireless Extension Mount; 1 * Wireless Sensor; 6 * Nylon Belts; 1 * Magnet; 2 * Sponge Pad