52mm Universal Marine Tachometer 0-3000rpm 4000rpm 7000rpm Tachometer Tachometer Hourmeter Red LED Backlight 9-32V Note: If you need both sensor and instrument, you need to purchase them separately, the instrument is not included Sensor, the sensor does not include the instrument, please know, thank you! Features: x Excellent anti-fog function. x Convenient installation through multi-plug socket connection x The protection level is IP67, and the entire body is completely waterproof. Specifications: 1. Name: Tachometer 2. Red backlight 3. High precision 4. Voltage: 12V or 24V5. Installation diameter: 52mm6. Working current: 100 MA7. Speed ratio: 1-300 adjustable 8. Function: Current tachometer or RPM and hour 9 Operating modes: LCD display, stepper motor 10. Tachometer suitable for cars or trucks or boats or diesel generator engines or gasoline engines Indication range: 0-3000RPM [52MM diameter]0-4000RPM [52MM diameter]0-6000RPM [52MM diameter]0-7000RPM [52MM diameter]0-8000RPM [52MM diameter]0-9990RPM [52MM diameter] Please note:We have 6 models of tachometers: 3000 rpm, 4000 rpm, 6000 rpm, 7000 rpm, 8000 rpm, 9990 rpm (digital tachometer) Package includes (pictured): 1 x marine tachometer 1x multi-plug socket 1 x installation