Description: Bike Speedometer: This product is a versatile bicycle cycling computer, featuring a wireless bike speedometer and bike computer. It's designed to effortlessly record various cycling data, providing multiple functional supports for your biking needs.Waterproof Design: Fear no weather conditions with our waterproof bike speedometer. Whether it's windy or rainy, you can easily grasp your riding data without any worries.Lightweight and Large Screen: With its lightweight design and 2.8-inch large screen, this bicycle cycling computer offers touch control for easy operation while on the go.Easy Installation: The installation process is simple: first fix the extension bracket to the handlebar, then clip the meter onto the fixed extension bracket, tighten clockwise and remove counterclockwise. Install on the front fork (appropriate distance 3mm).Material & Compact Size: Made of reliable plastic material that ensures longevity of use. The product dimension is 7.5cmx5cmx1.1cm/2.95inchx1.97inchx0.43inch which makes it compact enough to save space on your handlebar while maintaining practicality and aesthetics. Size Chart: 7.5cmx5cmx1.1cm/2.95inchx1.97inchx0.43inch Package Includes: 1 SetBike Speedometer Note: Please allow slightly errors 1-2cm differences due to manual measurement.