Bike Speedometer Waterproof Wireless Bicycle Bike Computer and Cycling Odometer with Automatic Wake-up Multi-Function LCD Backlight Display

Multi-Functions With Auto Sleep & Wake-Up: Auto sleep just showing clock to save battery after no operation for 5 minutes. Built-in Ball Switch, automatically turn on from sleeping mode when sensing the vibration after shocking bike computer body.

Day & Night Backlight : Provides backlight for easy viewing during dark hours. The backlight will automatically turn on when any button is pressed between 18:00 and 06:00. Please note the slight rattle sound from device is normal phenomenon, which results from the design of wireless automatic function.

Multi-functions: Small size, light weight, wireless, waterproof design makes it convenient and durable. This bicycle computer measures speed, distance, and riding time. Exactly what any serious bicyclist or fitness fanatic needs to know for stats tracking.

Waterproof & Widely Suitable: With rubber ring and full-sealed compact body, bike odometer works great on rainy days as usual. Suitable for almost all cycling bicycles with Spoke-Wheel frame, just install the magnet and sensor on front fork with their gap distance set at 1-3mm. NOT suitable for solid wheels.

Accurate Speed Tracking & Clear Display: With features stable wireless transmission that ensures accurate speed tracking of your cycling, just making the distance between the computer and the sensor at less than 60cm to make them fully communicate. Large LCD display with clearly numbers, easy to read data, more safe and convenient while riding.