Features: Wireless and waterproof design makes the bicycle computer more durable. The simple and sleek design, combined with waterproof functionality, ensures long-lasting style. Please dry immediately after use. The bicycle speedometer features a powerful built-in chip that provides 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, and red, allowing easy viewing of stats at any time. The screen automatically turns off after 5 minutes with no signal to save battery. The bike computer automatically turns on when motion is detected or a button is pressed. Delivers precise, real-time data without delays. A wheel-mounted sensor accurately records wheel speed and transmits data to the display instantly, ensuring accurate data tracking for planning and analyzing your bike training. The wireless bike computer comes with an outer bracket and handlebar mount, helping to save space on the handlebar for other accessories. With quick-release design, the speedometer is easy to install and remove. Product Name: Bicycle Speed Counter Product Material: ABS Product Color: Black Product Weight: 120g Product Dimensions: 14cm 8cm 5cm Package Includes: 1 Speedometer 1 Bracket 1 Manual 1 Data Charging Cable