Product Features:-Be suitable for all kinds of tacho , and display the rotation speed of the engine-Use moving- prince to drive the , featuring good ennce and anti-ion-Operating temperature: -40°C ~+85°C-Protection rank : IP67-Suitable for all kinds of vehicle modification, the use of ster motor drive pointer, accurate display current speed,-and with the LCD display clear display mileages with instructions of high precision, repeatability and versatility,-reliability and stability, drive And control is relatively simple and so on Speed using ster motor drive pointer,-accurate display of current speed, and with the LCD display clear display odoTechnical Data::-Fixing dimension: 110mm-Indicating Range: 0-8000RPM-Speed Ratio: 1-10 adjustable-Working Voltage: 12V/24V-Choice between red and yellow backlight-Operation mode: LCD display, ster motor-Protection grade is IP67, the whole body is completely waterproof-Excellent anti-foing function-316 Stainle steel bezel with curved gla-Convenient Installation by multi-plug socket connecting way meter:-Installation Dimension: 110mm-Materials: stainle steel+nickel-plated plastic-Operating Voltage: 12V/24V-Indicating Range: 0-200km/h-Choice between red and yellow backlight-Input Signal: signal, with -Protection Cla: IP67, can work underwater 1m positionProduct Include:1 x meter1x 2 x Cable1 x 2 x Installation InstructionProduct Display: