3 Colors Backlit LCD Digital Display Bike computer with high resolution LCD display, you can easily read all the data at night, also clearly visible in sunlight. Brand new 3-color LED backlight + automatic cycle, two light modes: default mode and always-on mode. In default mode, the backlight is on for 4 seconds. In the always-on mode, the three-color automatic cycle function can be activated. Waterproof Design & Auto Wake-Up Function Using IPX6 waterproof technology, more reliable performance protection, so you can use it in rainy days without worrying about dust/wind and rain. Please wipe or dry after use in rainy days. After 5 minutes of no signal input, the speedometer screen will enter standby sleep mode, and the bicycle computer will automatically wake up by pressing any button. The device can turn the bicycle wheel within 2 hours after sleeping, and can wake up the device within 10 seconds. After sleeping for more than 2 hours, the device will wake up within 1 minute. New Appearance Design & Easy to Install and Use Brand new stylish, simple and cool appearance design, small and light. The left and right buttons are sensitive and precise, the appearance is simple and beautiful, and the function distribution is more reasonable. The extended mounting bracket makes it more convenient for you to see the data clearly. Please read the instruction manual before installing the bicycle computer, and also watch the installation video, so that you can install it correctly. Multifunctional and Wide Applicability This bike computer has a total of 20 functions. Can measure speed, distance, ride time, calorie counter, and more. It has an automatic memory function and can be used on road bikes, mountain bikes and most common bikes. It is suitable for regular cyclists as well as fitness enthusiasts. Stable Performance Provide 3V CR2032 battery, professional low-power technology, suitable for long-distance riding. Equipped with a new upgraded chip, the transmission speed and stability are greatly improved.