Bicycle Speedometer and Odometer Wireless Waterproof Cycle Bike Computer with LCD Display & Multi-Functions

Automatically wakes from sleep mode upon sensing vibration in the bicycle. Bright LCD display to easily view ride statistics. 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. Provides backlight for easy viewing during dark hours. The backlight will automatically turn on when any button is pressed between 1800 and 0600. Please note the slight rattle sound from device is normal phenomenon which results from the design of wireless automatic function. Simple installation that only takes a few minutes. Easy to navigate interface with only two buttons to access all measurements. Customizable to most common tyre sizes for accurate stats tracking. Road bicycles mountain bikes folding bikesand other common bicycles are compatible with this bicycle computer.