Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: SUNDING SD-579 Wireless Bike Computer Multifunction Backlight Bicycle Speedometer Odometer SensorSpecificationBrandSUNDINGModelSD-579Backlight ColorGreenSpeedometer ColorBlack Package Size15cm x 10cm x 10cm (5.91in x 3.94in x 3.94in)Product materialABSPackageWeight0.4kg (0.88lb.)ApplicationMTB, Road Bike, Fixed GearFunctions 1. Speed ( 0~99.9km/h m/h) 2. Total distance / total ODO (0~9999km/h) 3. Day Distance DST 4. Max Speed MAS 5. Average Speed AVS 6. Ride Time TM (0~9999km/m) 7. Tot Time TTM (0~9999hrs) 8. Temp (-20￢ﾄﾃ~70￢ﾄﾃ) 9. Max Temp MAT 10. Min Temp MIT 11. Stopwatch 12. Trip DN 13. Time DN 14.Gear Ratio RAT 15.Calorie CAL 16.Fat Burn FAT 17.Panoramic Display Mode 18.Cycle Mode 19.Clock (12/24H) 20.Date (YY/MM/DD/WW)Product Features:Anti signal interference. Multi-language setting (Germany, France, Netherlands, Italy, Britain, China, etc.)Bicycle odometer with LCD backlight.Portable, durable and convenient.Easy to read LCD display with large screen.Easy to install firmly with mounting accessories.Perfect to use when hiking, climbing, riding and other outdoor actives.Ideal assistant for bicycle training.Time display function, also can be used as a watch wonderful gadget for traveling. Package Included: 1 x Bicycle Computer 1 x Magnet 1 x Mounting Shoe 1 x Wired Remove Control 1 x Wireless Sensor 1 x Ties 1 x Manual Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.