1、ANT+ and Bluetooth Dual Protocol: CC400 can supports speed sensor, cadence sensor, monitor that connect ANT+ or Bluetooth protocols. The screens is made of 1.9 inch high performance FSTN material, providing you with better viewing angle, contrast and response speed. 2、Rich Data and Settings: 29 optional data items in 9 categories and 25 bike computer configuration items. Up to 10 data pages for configuration. Up to 5 data items can be set on each page. Up to 9 data options for each item. Infinite design means that the FSTN display is similar with LCD display in free data pages setting designs. Connected for OnelapFit App, the CC400 can be customized to set the C button with 2 optional functions. Backlighting on off and lap counting. 3、Auto Backlight Automatic Time calibration: Calculate the sunrise and sunset time based on information from GPS, with the backlight automatically on at night time when it is turned on. Support automatic time calibration with Bluetooth and GPS so as to display the accurate time. 4、IPX6 Waterproof: It can satisfy the requirement on the daily waterproof. Even in a light rainy day ( Please clean after use). 20h battery life. You can use it while charging, and it can work even for the long distance cycling. 5、Easy to Use: No need for a data cable, you can easily complete the export and sharing of FIT files by linking the App. You can bind for STRAVA and for TrainingPeaks accounts. After the exercise data is synchronized for OnelapFit App, it can be automatically distributed to the relevant bound accounts, training and socializing. Item Type: CC400 GPS Bike Computer Material: ABS, Rubber, Electronic Components Weight: Approx. 122g / 4.3oz Battery Type: Lithium Battery (Shipped With) Battery Capacity: 600mah 1 x CC400 GPS Bike Computer 1 x Base 4 x Rubber Rings 1 x Charging Cable 1 x User Manual