Product Features:-Suitable for all vehicles and off-road vehicles-The signal comes directly from the signal receiver( ), don't need other speed r.-The has the advantages of high precision, quilocation confirmation and short start up time.-67 waterproof and dust proof grade-Re polarity protection and anti-foing performance-No Stationery Drift-Ster motors used for full range of sting s, great feature with its le power consumption, longer life,higher precision, etc.-Suitable for all kinds of vehicle modification, the use of ster motor drive pointer, accurate display engine RPM,-and with the LCD display clear display hour, with instructions of high precision, repeatability and versatility,-reliability and stability, drive And control is relatively simple and so on.Technical Data:meter:-Fixing dimension: 85mm(3-3/8")-Indicating Range:0-200km/h 0-125MPH 0-200MPH-Working Voltage: 12V/24V-Tr Range: 0-999.9 miles km, Total Mileage Adjustable, Mileage Range: 0-999999 miles km- Blind Area Compensation-OverSpeed Alarm (Value Adjustable)-Indication light: LEFT, HIGH BEAM, RIGHT-Backlight: Red and Yellow available-Working temperatures: -40 to 85°C-Operation mode: LCD display, ster motor:Name: Materials: stainle steel+nickel-plated plasticOperating Voltage: 12V/24VIndicating Range:0-8000RPM,0-12000RPMInput Signal: Signal from engine speed r, engine, alternator, ignition , crankshaft r, etc.Adjustable speed ratio: 0.5-327Protection Cla: 67, can work underwater 1 meter position using ster motor drive pointer, accurate display of the engine RPM, and with the LCDdisplay clear display hour,the hour meter is adjustable.Product Include:1 x meter1 x 1 x 2 x Multi-plug socket2 x Installation InstructionProduct Display: