1、A variety of functions can be switched at any time, 20 function displays, and data feedback to ensure safe riding. 2、Intelligent induction, non‑exercise state, automatic sleep and power saving, press any key to automatically turn on. 3、The product has a built‑in vibration switch, and it will automatically turn on when vibration is detected during riding. 4、FSTN display screen, you can see the data clearly from any angle, with backlight mode, it can be used normally at night. 5、Easy to install, equipped with nylon cable ties and sponge pad, stable installation, not easy to fall. 6、Made of high‑quality plastic material, anti‑fall, anti‑corrosion, IPX5 waterproof, suitable for outdoor riding. 1 x Bike Computer1 x Wireless Probe1 x Wireless Base1 x Long Stripe Sponge Pad1 x Round Sponge Pad1 x Rubber Ring1 x Strong Magnet4 x Nylon Strap1 x English Manual Item Type: Bike ComputerMaterial: PlasticComputer Battery: Built-in a CR2032 button battery, capacity: 150MAH (included)Wireless Probe Battery: Built-in a CR2032 button battery, capacity: 150MAH (included)Waterproof Rating: IPX5 (Anti-domestic water and rainwater)Weight: Approx. 90g / 3.2ozProduct Size: Approx. 6.5x5x2cm / 2.6x 2.0x 0.8inBasic Functions: Clock display (CLOCK), stopwatch mode (STOPWATCH), riding distance (TRIP DIST), riding time (RIDE TIME), maximum riding speed (MAX SPEED), average riding speed (AVG SPEED), distance Display (TRIP UP), calories (CALORIE), total riding distance (TOT DIST), total riding time TOT-TIME), memory storage function (MEMORY), automatic cycle scan display function (SCAN)How to Use: 1. Use a coin (not included) to open the computer and wireless probe according to the operating instructions on the product, and remove the insulating sheet inside 2. In any mode, press and hold the "M" + "S" keys at the same time to activate the backlight mode 3. Press any key in the backlight mode, the backlight will be on for 3 seconds to turn on the backlight mode (LIGHT ON) 4. Turn off the backlight mode (LIGHT OFF). 5. Non-exercise state, automatic sleep, power saving sleep state, press any key, automatically turn on the product built-in vibration switch, when riding, it will automatically turn on when vibration is detected