This backlit wired cycle computer is ideal for riding, as well as current speed, odometer, mileage, average and highest speeds. It is truly an ideal assistant for bicycle training. Features: Wired bike speedometer has all the important features from beginners to professionals. Large 4-row backlit LCD display allows you to read data clearly at any angle at any time. Durable and waterproof for all conditions Easy installation, no tools required. Equipped with a CR2032 battery, long life and low power consumption. Freeze frame memory design is especially useful when reaching beyond finish line. Auto power off and auto/manual wake up are all available, very convenient to use. Ideal assistant for bicycle training Function SPD Current Speed ODO Odometer DST Trip Distance MXS Max Speed AVS Average Speed TTM Total Trip Time TM Trip Time RAT Always Ride CLK Clock 12H / 24H SW Stopwatch TemperatureTM UP Trip Time Up Trip Time Down Trip Up Distance Down Sleep Mode Comparator Maintenance Alert Machine Oil Finder Overspeed Rema Finder Setting Type: Circumference Battery Drop Indicator Automatic Backlight Frame Memory Freeze Automatic On/Off Specifications Material: ABS Color Black Dimensions: 5.7 x 4.1 x 2 cm / 2.2 x 1.6 x 0.8 inches LCD Screen 3 x 3.3 cm / 1.2 x 1.3 inches Package Size: 14 x 7 x 4 cm / 5.5.5 x 2.5 x 2.8 x 2.5 x 2.8 x 2.8 x 2.8 cm 1.6 inch package Weight: 2.8 oz (80 g) / Package Contents: 1 x LCD Cycle Computer 1 x Magnet 1 x Mounting Shoe Sensor 1 x Cable Tie Set 1 x User Manual English