Features: Wireless and waterproof design makes the bicycle computer more durable. The outline of the bicycle computer is simple and cool, which is more with the waterproof design, it will always stay in fashion. Please dry immediately after use. The bicycle speedometer has a powerful built-in chip that provides many useful functions, including: speed, distance, time, temperature detection, calorie consumption, automatic wake-up and other common functions. The LCD bicycle computer has 3 backlight colors: green/blue/red, so you can easily read your stats at any time. If no signal is entered after 5 minutes, the screen will automatically turn off to save battery. When you move or press a button, the bike computer will automatically turn on. Precise data without delays, a wheel mounted trigger records the wheel speed accurately and transmits the data to the rev meter in real time, ensuring the accuracy of the recorded data. It can help you plan and analyse your bike training. The wireless bike computer has an outer bracket and a handlebar mount. It helps to save space on the handlebar for other equipment. With the quick release, you can easily assemble and disassemble the bicycle speedometer. Product Name: Bicycle Speed Counter Circular Code Table Product material: ABS Product color: black Product weight: 120g Product size: 14cm8cm5cm Package includes: 1Speedometer 1bracket 1manual 1data charging cable