Feature: 1. MULTI-FUNCTIONAL: Equipped with 15 functions including odometer, speedometer, trip distance, average speed, elapsed time, maximum speed, clock, scan, speed scale setting, comparison, auto on/off, last odometer value, memory freeze, and maintenance alert. 2. ACCURATE MEASUREMENTS: Waterproof cycling speedometer accurately measures speed and distance, helping you track your cycling progress and record precise data. 3. USER-FRIENDLY DESIGN: English-language cycling speedometer with a clear LCD display for easy reading and operation. 4. STABLE WIRED CONNECTION: Reliable wired connection ensures accurate and consistent data transmission. 5. PORTABLE AND DURABLE: Lightweight, easy to install, and compatible with most bicycles. Made from high-quality ABS plastic and electronic components for long-term reliability. Specification: Item Type: Waterproof Speedometer Material: ABS Plastic, Electronic Components Display: LCD Display Size: Approx. 51 x 42 x 18 mm / 2 x 1.7 x 0.7 in Power Supply: AG10 Button Cell x 1 (included) Package List: 1 x Cycling Speedometer 1 x Base Sensor Connection Cable 1 x Magnet 6 x Zip Ties 1 x User Manual