This wired bicycle computer with backlight is good companion for your riding, it not only shows the current speed, odometer, trip distance, but also shows the average speed, maximum speed and so on. It is really an ideal assistant for bicycle training. Features: Wired bicycle speedometer, includes all vital functions for novices and pros alike. Big four-line backlit LCD display allows you to read the data clearly at any time and any angle. Durable and waterproof for use in all conditions. Easy installation, no tools required. Powered by CR2032 battery,longer life and lower power consumption. Freeze frame memory design which is particularly useful when crossing the finish line. Auto power off and auto/manual wake up are all available, quite convenient to use. Ideal assistant for bicycle training. Functions: SPD: Current Speed ODO: Odometer DST: Trip Distance MXS: Maximum Speed AVS: Average Speed TTM: Total Trip Time TM: Trip Time RAT: Riding All Time CLK: Clock (12H/ 24H) SW: Stopwatch Temperature TM UP: Trip Time Up TM DOWN: Trip Time Down TRIP UP: Trip Distance Up TRIP DN: Trip Distance Down Sleep Mode Comparator Maintenance Alert Machine Oil Reminder Over-speed Reminder Setting Type Circumference Low Battery Indicator Auto Backlight Freeze Frame Memory Auto ON/ OFF Specifications: Material: ABS Color: Black Dimensions: 5.7 * 4.1 * 2 cm / 2.2 * 1.6 * 0.8 in LCD Screen: 3 * 3.3 cm / 1.2 * 1.3 in Package size: 14 * 7 * 4 cm / 5.5 * 2.8 * 1.6 in Package weight: 80 g / 2.8 oz Package List: 1 * LCD Bicycle Computer 1 * Magnet 1 * Mounting Shoe + Sensor 1 * Set of Cable Ties 1 * User Manual (English)