Multi-functional cycling computer will track cycling data like current/maximum/average speed,trip distance, cadence,temperature etc. And 2.5'' LCD large screen provide clear and crisp reading, enjoy your pleasant cycling trip! Features: 2-in-1 cycling computer with bike and cadence mode. Track and display speed,time,distance,trip time and multiple datas in data instantly. With backlight design,provides high visible during day and night. 2.5'' large LCD screen for clear and crisp reading during cycling. Easy to install onto handlebar with 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 Counter Fat Burnt Digital Clock with 12/24 Format KM/M Selection Temperature with C/F Selection Auto Start/Stop Auto Wake-up Auto Off EL Backlight Specifications: Color: White/Black (optional) Material: ABS Waterproof: IP65 Fits handlebar diameter: 28-31mm/1.10-1.22in source: 2* 210mAh CR2032 battery (included) Computer dimension: 75*50mm/3*2in Package weight: Approx. 148.3g/5.2oz Package List: 1* Computer 1* Speed and Cadence Sensor 1* Bracket 1* Speed and Cadence Magnetic Screw 8* Cable Ties 2* CR2032 Batteries 1* Instruction