Multi-functional cycling computer will track cycling data like current or maximum or average speed, trip distance, cadence, heart rate, temperature, etc. Heart rate mode with a current heart rate indicator, which can monitor our heart rate during cycling to ensure our safety. 2.5'' LCD large screen provide clear and crisp reading, enjoy your pleasant cycling trip. Heart rate mode with a current heart rate indicator, which can monitor our heart rate during cycling to ensure our safety Track and display speed, time, distance, trip time, and multiple data in data instantly With backlight design, provides high visibility during the day and night 2.5'' large LCD screen for clear and crisp reading during cycling Easy to install onto the handlebar with the mount and cable ties provided IP65 water-resistant body allows for rainy day riding Functions: 2 Bike System Current or Maximum or Average Speed Trip Distance Auto Trip Timer Service Reminder for Bike 1andamp 2 Speed Comparator Speed Tendency Odometer Save Function for Bike 1andamp 2 Total Distance for Bike 1andBike 2 Current or Maximum or Average Cadence Current or Maximum or Minimum Heart Rate Heart Rate Zone Alert Calories Counter Fat Burnt Digital Clock with 12 or 24 Format KM or M Selection Temperature with C or F Selection Auto Start or Stop Auto Wake-up Auto Power Off EL Backlight Specification: Material: ABS Waterproof: IP65 Power source: 3x 210mAh CR2032 battery (included) Computer dimension: 75x50mm or 3x2in