N J SUNDING Bike Computer Speedometer Waterproof Bicycle Odometer Cycle Computer Multi-Function LCD Back-Light Display

features: multi functions with auto sleep and wake-up--wiredputer records with average speed, maximum speed, current speed mph/kph, riding time, odometer, clock, distance, scan, maintenance alert. curved square shape body, quick-respond press buttons, exact modes display, you have all cycling data easily by thisputer. The inner motion sensor will wake upputer automatically when you start cycling; with no operation for minutes, it will enter sleep mode to save battery power. green back-light available and easy installation--press any buttons in night time 18:00-6:00, green back light will keep for 6 seconds automatically, making data clearly read at night. as accurate distance speed tracking and clear large display--as the wonderful pure wired sign showed, it has stable wired transmission that ensures accurate data of your cycling, keep the distance betweenputer and the sensor less than 60cm to make them large lcd display and numbers shows clearly and easy to read data, more safe and convenient while cycling. waterproof and wide suitable--with rubber ring and full-sealed body, this bicycle speedometer is waterproof and works great on rainy days as usual when riding. specifications: color: black dimensions: length 46mm, width 49mm material: engineering materials, ponents, etc. package include: 1 x bike computernotes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Due to the manual measurement and different measurement methods, please allow 1-3cm deviation. Thanks!