Waterproof, shockproof, lightning proof, 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 signal light, right light, position light, N light Screen mouth position LCD 1 - 6 Alarm function: low oil level alarm, low voltage alarm button to toggle total mileage. Color: black housing Operating voltage: 8-18 v Speed range: 0-199km/h, error +10% Pointer display range: 0-12000 rpm, error +5% Digital display odo replacement 0-99999.9 km Package contents: 1 motorcycle digital speedometer, motorcycle speedometer tachometer, 12000 rpm : The installation instructions are too large to download and the installation instructions are electronic. Color: Black Quantity delivered: 1 piece