7-color backlight 85mm tachometer instrument marine tachometer instrument LCD tachometer digital hour meter 3K~8K suitable for cars and trucks 9-32VThe sensor needs to be purchased separately, the tachometer does not include the sensor, please know, thank you! Features:- Waterproof: IP 67- Excellent anti-fog function;- With curved glass (with anti-fog function). - 316 stainless steel frame with curved glass; - Easy installation through multi-socket connection; - (Red, Yellow, Orange, Green, Blue, Purple, White), customers can adjust any color you like - Tachometer is suitable for Car/Truck/Boat/Diesel Generator Engine/Gasoline EngineSpecifications:- Name: Tachometer- 7 Color Backlight- High Precision- Size: 85mm- Signal: Pulse- Working Voltage: 9-32VDC- Working Current: Indication range:0-8000RPM[85MM diameter]0-7000RPM[85MM diameter]0-6000RPM[85MM diameter]0-4000RPM[85MM diameter]0-3000RPM[85MM diameter]Please Note:We have 5 models of tachometer: 3000 rpm, 4000 rpm, 6000 rpm, 7000rpm, 8000 rpm (digital tachometer)Package included (pictured):1 X Marine Tachometer 1 X Cable 1 X InstallationSensor Specifications:[1]. Name: Tachometer sensor[2] Used for gear speed measurement[3] Combined with the advantages of signal stability, wide operating temperature range, small size, simple assembly, etc.[4] Signal duty cycle: 475%[5] Output signal: Sine wave[6] Operating temperature: -40 to 85[7] Inductance distance: less than 1mm[8] Tooth module: 2~6[9] Connection method: two-wire connection[10] Protection level: waterproof IP67 Please note : Please note that we have 2 models sensor size: 80mm * 18mm (length * width), 72.12mm * 16mm (length * width) Package included (pictured): 1X tachometer sensor