AGPtEK Multifunctional Wireless Bicycle Stopwatch Odometer Speedometer Bike Cyclometers Waterproof Touch LCD Computer with Big Screen Back-light Multifunctional, includes 32 vital functions for novices and pros alike.Easy to read, big four-line backlit LCD display. With touch button, easy to control.Easy installation, no tools required. By CR2032 battery powered (Battery is NOT included).Durable and water-resistant char