85mm Waterproof Tachometer 0-3000/0-4000RPM Car Marine Tachometer Instrument Hour Meter 7 Color Backlight RPM Sensor M16/M18 RPM Meter85MM Diesel Engine Tachometer Sensor RPM Meter RPM Counter 0-3000RPM with Digital Hour Device 7 color backlight optional 12V 24VFeatures:1. Racing appearance enhances the characteristics of your car/vehicle 2. Comes with installation manual. 3. 7-color backlight 4. High precision 5. Applicable: The tachometer is suitable for cars/trucks/boats/diesel generator engines/gasoline engines 6. 0-3000RPM 4000RPM 6000RPMSpecifications:Material: Stainless Steel + Nickel Plated Plastic Working Voltage: 12V/24V Connection: Red Battery (+9-32VDC) Blue Battery (-) Black Signal, Orange Black Light (+9 -32VDC) Indicating range: 0-4000RPM, 0-3000RPM, 0-6000RPM Input signal: pulse signal from speed sensor, engine, alternator, ignition coil, crankshaft sensor, etc. Adjustable speed ratio: 1-300 Protection level: IP67, can work up to 1m underwaterPackaging:1x Tachometer 1x Installation instructions (sensor not included)Sensor: M16/M18Packaging: 1 X sensor (gauge not included)< br>
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