Specifications: Item Type: 85mm Multi Function Gauge Function Range: temperature gauge, fuel pressure gauge, voltage gauge, oil gauge Material: Stainless steel 316L bezel + anti-fog glass Temperature Meter Display Range: 0 to 120℃ Level: IP67, the whole body is completely ; excellent anti-fog function Backlight Color: Red Working Voltage: 9 to 32V DC Working Current: ≤150mA Working Temperature: -30℃ to + 75℃ Storage Temperature: -40 ℃ to + 85 ℃ Level: IP67, can work underwater 1m position Fitment: For yachts, ships, speedboats, etc. Wiring: 1. Red wire - +9-32VDC 2. Black wire - oil 3. Blue wire - power negative (- ) 4. wire - pressure 5. White wire - temperature 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). 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 meter → temperature → pressure meter input 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 the parameter group table, release Mode and Set keys for 3 seconds, the data will be saved automatically and the display will 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