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 Set Bike Speedometer Note: Please allow slightly errors 1-2cm differences due to manual measurement.