85mm Digital Water Temp Gauge LED Backlight High Precision IP67 Waterproof Multi Function Gauge For Yachts Ships Speedboats Black Dial Black Front Cover 910 00275 Item Type: 85mm Multi Function GaugeFunction Range: Water temperature gauge, fuel pressure gauge, voltage gauge, oil level gauge Material: Stainless steel 316L bezel + anti-fog glass Water Temperature Meter Display Range: 0 to 120℃ Protection Level: IP67, the whole body is completely waterproof; excellent anti-fog function Backlight Color: Red Working Current: ≤150mA Working Temperature: -30℃ to  + 75℃ Storage Temperature: -40 ℃  to + 85 ℃ Protection Level: IP67, can work underwater 1m position Fitment: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 signal 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 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 cycle Switching.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 cycle Switching.