RYSJM | 85MM 2in1 Multifunction Gauge Digital GPS Speedometer With Tachometer RPM KMH Use With Adapter For 1-8 Cylinders Gasoline Car

Feature :- Waterproof:IP 67 - Excellent anti-fogging function; - With curved glass( with anti-fog function). - 316 Stainless steel bezel with curved glass; - Convenient Installation by multi-plug socket connecting way; - Tachometer fit for Car Gasoline EngineSpecification:- Size: 85mm - Working voltage: 9-32VDC - Working current: ＜120mA - Backlight : Red - Working temperature: -30-70℃ - Storage temperature: -40-85℃ - Waterproof and dustproof grade IP67.Package Included: (as the picture shows)1x Adapter OR 1x Tachometer OR 1x Tachometer + Adapter Note: This tachometer does not include Adapter. The Adapter need to be purchased additionally. Thank you for your understanding~Wholesale and drop shipping are both welcomedFor wholesale, we will offer the discount or free express shipping which only takes 3-7 days to arrive. For drop shipping, We could send the goods to your customers directly and won't leave information about us if youd like to.Note: This tachometer does not include Adapter . The Adapter need to be purchased additionally. Thank you for your understanding~Model: GR01 Suitable for gasoline engines1.Cable Definition RED: Power Supply 12V DC BLACK: Power GND BLACK/BROWN (1.6m): Input Signal Cable BLUE: Output Signal (fixed 4pulses/round rpm ratio) BROWN: Switch Control Cable 2.Configure Steps: 1)Connect Switch Cable to enter in setting mode 2)Find the Ignition Coil of your Gasoline Engine, normally it’s close to Spark Plug, which can be easily found from your engine/car/vehicle user guide. Wrap the input signal cable 5~8 round across the ignition coil cable, and then tighten like below: 3)Power on the Sensor, the LED will stay Green 4)Disconnect Switch Cable, the LED will still stay Green and calculate the detected pulse from engine 5)Connect Switch Brown Cable and Disconnect again, the LED will flash 6)The sensor output Pulse signal with fixed Tach RPM ratio 4pulese/round, which means it will output 66.6Hz when 1000RPM. For example, if the input frequency is 100Hz @1000RPM, the sensor will convert the signal and then output 66.6Hz @1000RPM 7)How to configure Tachometer? Please set your Tachometer/RPM Gauge tach RPM ratio to 4 pulses/round, then the Gauge will work properly.