1、Widely Used: Digital Multi Function Gauge is very suitable for various watercraft such as ships, fishing boats and yachts. 2、High Class Materials: Oil temperature gauge is made of 316L stainless steel bezel and anti fog curved glass cover, which is IP67 waterproof and dustproof, ideal for harsh environments such as acid, alkali and humidity. 3、LED Backlight: LED backlight is used for easy viewing of the vessel at night. The multi function gauge is characterized by high indication accuracy, high versatility, reliability and stability, and easy to use. 4、Wide Voltage Design: Long term working voltage is 9 to 32V, and digital multi function gauge is low power consumption with long life and short start up time. 5、Strong Connection: The Digital Water Temp Gauge is mounted with screw holes for a solid connection and works even under strong vibrations. 1 x Multi Function Gauge1 x Power Cord1 x Instruction Manual1 x Package of Accessories (3PCS) Item Type: 85mm Multi Function GaugeFunction Range: Water temperature gauge, fuel pressure gauge, voltage gauge, oil level gaugeMaterial: Stainless steel 316L bezel + anti-fog glassWater Temperature Meter Display Range: 0 to 120℃Protection Level: IP67, the whole body is completely waterproof; excellent anti-fog functionBacklight Color: RedWorking Voltage: 9 to 32V DCWorking Current: ≤150mAWorking Temperature: -30℃ to  + 75℃Storage Temperature: -40 ℃  to + 85 ℃Protection Level: IP67, can work underwater 1m positionFitment:For yachts, ships, speedboats, etc.Wiring: 1. Red wire - +9-32VDC 2. Black wire - oil level signal 3. Blue wire - power negative (- ) 4. Purple wire - pressure signal 5. White wire - temperature signalInstrument setting instructions:Press the key function:a. Press and hold the Mode and Set keys simultaneously before powering on the instrument to switch on the background picture and save it (only adapted to perform before powering on).Instrument setting instructions.Press the key function.a. Press and hold the Mode and Set keys simultaneously before powering on the instrument to switch on the background picture and save it (only adapted to perform before powering on).b. Press and hold the Mode button for more than 3 seconds to enter the parameter setting mode, the digital display in the corresponding area becomes magenta and flashes, release the Mode button and press the Mode button again briefly to switch the oil level meter → water temperature → pressure meter input signal selection mode in turn.c. After entering the parameter setting mode, short press the Set key to switch the parameters in the corresponding area. After adjusting to the data you need against the parameter group table, release Mode and Set keys for 3 seconds, the data will be saved automatically and the display will return to normal interface, and the numbers will no longer flash.d. Press the Set button lightly (less than 2 seconds) to switch the temperature unit: °C (default) → °F cycleSwitching.c. After entering the parameter setting mode, short press the Set key to switch the parameters in the corresponding area. After adjusting to the data you need against the parameter group table, release Mode and Set keys for 3 seconds, the data will be saved automatically and the display will return to normal interface, and the numbers will no longer flash.d. Press the Set button lightly (less than 2 seconds) to switch the temperature unit: °C (default) → °F cycleSwitching.