1. High quality ABS material, exquisite and smooth, safe and environmentally friendly. 2. Full LCD display, even if driving at night, all situations are clearly visible. 3. The product has good sealing performance and high water resistance, and is not affected by the weather. 4. The product has a touch button, which is convenient for switching adjustment functions. 5. Specification: Working voltage: 12V Cable length: 86cm Product size: 17.2 x 4.8 x 10.6cm Speedometer: LCD display speed, 36.2Hz corresponds to 63km/h Mileage: Total mileage ODO display range is 0-999999km Tachometer: 166Hz corresponds to 10*1000r/min Clock: Yes, 24 hours, with battery, keep the timer in front of the clock Scope of use: tire size is installed on a 17 or 18 inch motorcycle Suitable for wheel size speed tire model 110/70/17 Mileage clear: Subtotal mileage is not saved and the boot display is 0. The total mileage is cleared: within 15 seconds of starting, one of the left and right turns and the high beam are turned on and off more than 7 times, and the total flashes 4 times and then becomes zero. Fuel: no driving damping time, from 8 squares to no grid for a total of 10 seconds (no grid above 92 euros; 91-86 euros 1 grid; 8 grids below 14 euros) Water temperature: no driving damping time, from 8 squares to no grid total 10 seconds (no grid above 156 euros; 1 grid flash at 27-17 euros; 8 grids below 17 euros) The file is displayed: when there is no gear access, the gear position is not relevant. 1-6, N files are negative control.