Product Name: Sinco Tech 60mm Rpm Gauge (Do6350) Model NO.: 6350-5 Installation Method: Combined Type Knock Sensor Type: Not Fuel Meter Type: Not Voltage Meter Structure Type: Not Tachometer Type: Electronic Speedometer Type: Electronic Crankshaft Position Sensor Type: Hall Effect Type Throttle Position Sensor Type: Not Kind: Dashboard Gauge Type: Auto Meter Patent: ISO9001,Ce Trademark: SINNCO TECH Transport Package: 12*12*11cm Specification: 0.4KG Origin: China HS Code: 8708299000 Product Description 635BoostPRMOil PressureWater TemperatureOil TemperatureAir Fuel RatioExhaust GAS Temperaturethe actual price,Please enquireSinco Tech 60mm Rpm Gauge (Do6350)Brand: SINCO TECHGauge Model: RPMMaterial: ALUMINUMit using thehigh precise PM stepper motor to provide immediate readout very fast .it is also easy installation,get RPM signal from ECU ,warning with both LED and BUzzer .when power shut off the needle indicator woulb be back to zero instantaneously.