Screen Size:3 Inches Display Type:LCD Sensor Type:Speed Sensor Battery Cell Composition:Lithium Manganese Dioxide International Protection Rating:IP54 Human Interface Input:Buttons Item Package Dimensions L x W x H:7.83 x 5.71 x 1.89 inches Package Weight:0.19 Kilograms Material:Plastic Part Number:NWP-7 1. (SPD): Current Speed 2. (AVS): Average Speed 3. (MXS): Max Speed 4. (ODO): Total traffic mileage About this item 3'' BIG LARGE SCREEN 3 Inch Large LCD Screen Display, With Soft White Backlight, You can read your statistics easily and clearly Day or Night Riding. REAl WATERPROOF NOT Afraid Water , and with 2 Physical Buttons, easy operation. , Works great on rainy days as usual, Keep moving in worst weather WIRELESS AND ACCURATE Wireless Function Make It More Convenient and AdvancedSay Goodbye to Tangled Wires On Your Handlebars. 20 MULTI FUNCTIONDistance, Maximum Speed, Average Speed, Driving Time, Calorie Consumption, Temperature, Stopwatch, Maintance and etc. Scan Function, No Need to Touch Buttons, show all information and stats automatically while Cycling UPDATED BRACKET, Stronger and Suitable All Size Bike HandlebarWe updated the bracket, Equip 2 different Bracket, the First One is Extend Mount Bracket, Second One for for Bike Handlebar. More Solid and Stronger, and Suitable All Size Bike Handlebar