1.19 functions, accurate riding: this bicycle Odometer can measure speed, distance, riding time, calorie counter, etc. very well. It helps to adjust the speed to complete the cycling plan , and adjusting the cycling rhythm has a better exercise effect. Our bicycle speedometer is equipped with a powerful intelligent movement and powerful magnet, which is more stable and interference free, making the data more accurate. 2. screen with backlight and easy to read: Our bicycle speedometer has a 2.2 inch screen and 3 rows of data display. The bicycle computer has and clear numbers, making it easy to read data from angles. The first line displays the current speed, the second line displays the temperature, and the third line can be set to display other data. Backlight is easy to turn on/off, making cycling data clear at a glance Grade 3.Level 5 waterproof: As a , it is impossible to completely avoid adverse weather conditions during mid to long distance cycling. So the most important performance of bicycle computers is waterproofing. Level 5 waterproofing meets all your needs. In addition, the soft green backlight protects your eyes and can help you easily read data even in the dark. 4. Automatic : After 3 minutes of no signal input, the bicycle computer screen will enter standby sleep mode. When you press any button or rotate the bicycle wheel, the bicycle Odometer will wake up automatically. The bicycle tracker remains energy-efficient and super convenient, so don't worry about forgetting to turn off the bicycle mileage tracker after each use. , waterproof, and suitable for most types of bicycles and any season 5. Installation: The package of bicycle Speedometer contains magnetic ring, sensor, bracket and screen. Installing a bicycle computer requires a screwdriver for magnets. A small car hanging on a spoke; The sensor is installed on the fork, and the screen is installed on the handlebar with a bracket. It is best to watch a video or manual before installation Product Name: Bicycle Code Table Wired Code Table Nightlight Backlit Touch Screen Code Table Display: LCD touch screen Sensor type: Speed sensor Components included: sensors, trip computer, magnetic head protection level: IPX4 Installation type handlebar bracket Power supply: replaceable button battery Recommended users: Adults of both genders Colour:Black+Red Material:plastic Size:about 60 x 45 x 20mm Package Contents: 1 x Bike Computer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.