Features LARGE SCREEN: A circular large LCD display screen with soft backlit, allowing you to easily and clearly read statistical data whether riding during the day or at night. WATERPROOF: Bike computer is not afraid of water and comes with 2 physical buttons for easy operation. Our speedometer can work in rainy days as usual and continue to move forward in the worst weather. WIRELESS ACCURACY: The wireless function makes the bike computer more convenient and advanced, bidding farewell to the tangled wires on the handlebars. MULTIFUNCTIONAL: Scanning functions such as distance, maximum speed, average speed, travel time, calorie consumption, temperature, stopwatch, maintenance, etc., without touching buttons UPDATED BRACKET: More sturdy and suitable for all sizes of bike handlebars: We have updated the bracket, making installation easier and more stable. Specification: Item Type: Bike Computer Mode: 168 Material: ABS Power Supply Method: Bike Computer: 1 x CR2032 button battery 230mAh (built in carrying) Sensor: 1 x CR2032 button battery 230mAh (built in carrying) Parameters: Speed Meter: 0 to 99.9KM/H or M/H Average Speed: 0 to 99.9KM/H or M/H Maximum Speed: 0 to 99.9KM/H or M/H Odometer: 0 to 9999.9KM or M Single Mileage: 0 to 999.9 kilometers or meters Cycling Time: 9:59:59 Time: 12, 24 hour option Package List:1 x Bike Computer 1 x Sensor1 x Bracket1 x Nut1 x Wheel Magnet1 x Adhesive Tape 3 x Ties1 x Manual  Package List 1 x Bike Computer 1 x Sensor 1 x Bracket 1 x Nut 1 x Wheel Magnet 3 x Ties 1 x Manual