85mm 3 in 1 Tachometer 0-3000RPM 0-4000RPM 0-6000RPM 0-7000RPM 0-8000RPM with Oil Pressure Hours Water Temp Meter For Car

Please note: There are different options for sensors and gauges in the link. Each option is marked with a name and a picture. Please confirm whether the option you ordered is the product you need. Thank you. -High-brightness LED backlight.-316 stainless steel for long-term use even in acid-base, humid environment.-IP67 waterproof and dust-proof grade.-With curved glass (with anti-fog function).-Suitable for all kinds of vehicle modification.-Using stepper motor drive pointer, accurate display of the engine speed, and with the LCD display clear display mileage.-Backlight : 7 backlights (red, green, blue, white, yellow, cyan, purple)-Voltage: 12V / 24V-Oil pressure: 0.0-10.0bar 0-145Psi adjustable-Water temperature: 25-120℃ 77-248℉ adjustable-Engine accumulated hours: 0.0-99999.9H-Engine speed: 0-3000RPM 0-4000RPM0-6000RPM 0-7000RPM 0-8000RPM-Tachometer fit for Car /Truck/ Boat /Diesel Generator Engine /Gasoline EngineInput parameters:-Adjustable range of tachometer speed ratio: 1.0-360-Pressure sensor parameters: 10-184Ω-Cooling water temperature parameter: 301-22Ω-Working voltage: 9-32 VDC-Working currents: -Working temperature: -30-70℃-Storage temperature: -40-85℃-Waterproof rating: IP671 x 3 in 1 Tachometer  2 x Multi-plug socket  1 x Installation InstructionBe used for gear rotation speed measurementCombining the advantages of stable signal, wide range of operating temperature, small size, simple assembly, etc.It covers a wide range of measurement, and it is able to measure the zero-rotation speed-M161.5 (2-wires)Operating temperature: -40 ~85℃Output signal: sine waveSignal duty factor: 47±5%Inductance distance: less than 1mmTooth module: 2~6Connecting way: two wiresProtection rank: IP65Length: L=100MM L1=80MM-M161.5/M181.5 Holzer Tacho (3-wires)Operating temperature: -40 ~85℃Output signal: square waveInductance distance: less than 2mmOperating voltage: 8~32V with polarity protectionConnecting way: three wiresProtection rank: IP65Length: L=80MM L1=70 / L=80MM L1=60MMM181.5   M16*1.5Operating Temperature: -40 to 85℃Output Signal: Sine WaveSignal Duty Factor: 47±5%Inductance Distance: Less than 1mmTooth Module: 2~6Connecting Way: Two Terminals connection