Multi-functional cycling computer will track cycling data like current/maximum/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/Maximum/Average Speed Trip Distance Auto Trip Timer Service Reminder for Bike 1&2 Speed Comparator Speed Tendency Odometer Save Function for Bike 1&2 Total Distance for Bike 1+Bike 2 Current/Maximum/Average Cadence Current/Maximum/Minimum Heart Rate Heart Rate Zone Alert Calories Counter Fat Burnt Digital Clock with 12/24 Format KM/M Selection Temperature with C/F Selection Auto Start/Stop Auto Wake-up Auto Power Off EL Backlight Specification: Material: ABS Waterproof: IP65 Power source: 3* 210mAh CR2032 battery (included) Computer dimension: 75*50mm/3*2in