HD 85mm Tachometer with LCD Hour Meter, 7 Color Backlight Tachometer 3000 4000 6000 7000 8000 RPM, Suitable for Marine Cars 12V or 24V Please note This link sells inp> Options 1: 1X RPM Sensor Option 2: 1X Tachometer Package 1: 1X RPM Sensor Package 2 1X 85MM Tachometer 1X Description 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-plug socket connection - (Red, Yellow, Orange, Green, Blue, Purple, White), customer can adjust Any color you like - Tachometer suitable for car or truck or boat or diesel generator engine or petrol engine Specification: - Name: Tachometer- 7 color backlight- High precision- Size: 85mm - Signal: pulse - Working voltage: 9-32VDC - Working current: Indicating range: 0-8000RPM[85MM diameter]0-7000RPM[85MM diameter]0-6000RPM[85MM diameter]0-4000RPM[85MM Diameter]0-3000RPM[85MM diameter] Package included (as shown in the picture): 1 X Boat tachometer 1 X Cable 1 X Installation Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.