Feature: 1. 2.8IN LCD SCREEN: This bike computer has a 2.8 inch large LCD display screen with soft white backlight, which is clear and intuitive, suitable for daytime or nighttime cycling. 2. BUTTON OPERATION: The bike speedometer has 2 physical buttons, which are easy to operate and have good waterproof effect, and can be used in adverse weather conditions. 3. WIRELESS FUNCTION: The bike computer has wireless function, no wiring required, automatic scanning, automatic start and stop, convenient and practical, reducing wiring trouble. 4. MULTIPLE DISPLAYS: Can display distance, maximum and average speeds, travel time, calorie consumption, temperature, stopwatch, maintenance scanning function, etc. 5. WITH 2 BRACKETS: Equipped with 2 different brackets, one is an extended mounting bracket and the other is used for bike handlebar, which is easy to install and has good compatibility. Specification: Item Type: Bike Computer Model: YA100 A Material: ABS Power Supply Method: Sensor: 1 x CR2032 button cell 380mAh (built in battery) Speedometer: 1 x CR2032 button cell 380mAh (built in battery) Function: Speedometer (SPD): 0-99 KMIH or Mhr Average Speed (AVS): 0-99.9 KMhr or Mhr Maximum Speed (MXS): 0-99.9 KMhr or Mhr Speed Comparator (+ or -) KM and M Optional Automatic start and stop Odometer (ODO): 0-9999.9 KM or M Odometer saving function Odometer (DST): 0-999.9 KM or M Travel Timer (TM): 9: 59: 59 Digital Clock: 12 24 hour optional Automatic scanning Automatic shutdown Automatic start and stop Calorie Fat burning ℃ and ℉ Optional Maximum and minimum temperature memory Maintenance procedures LED backlight Temperature (TEMP) Stop watch (SW) Estimated Time of Arrival (ETA) Touch to turn backlight on or off. Package List: 1 x Speedometer1 x Sensor1 x Speedometer Bracket1 x Handle Bracket1 x Wheel Magnet4 x Ties2 x User Manual