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, All Information And Statistical Data Are Automatically Displayed 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 Sensor 1 x Bracket 1 x Nut 1 x Wheel Magnet 1 x Adhesive Tape  3 x Ties 1 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