Waterproof, shockproof, anti-lightning, high pressure resistance, with anti-UV and anti-glare LCD screen, you can see very clearly in the evening. The sensor is fixed at the position where the front wheel can be fixed and the magnet is attached to the brake disc diagonally. Alarm function: low oil level alarm. Large anti-glare LCD display. Odometer: six digits, minimum 0.1 km. Features: On large screen, easy to read Function indicator: left high light, right light, parking light, N light LCD display mouth position 1 - 6 Alarm function: low oil alarm, low voltage alarm button to switch total mileage. Color: black housing Operating voltage: 8-18v Speed range: 0-199km/h, error +10% Display range of pointer: 0-12,000 rpm, error + 5% Digital display odo replacement 0-99999.9 km Package contents: 1 digital motorcycle speedometer, motorcycle speedometer tachometer, 12000 rpm Notice: The installation instructions are too large to download and the installation instructions are electronic. Color: Black Quantity delivered: 1 piece Good quality product