"1. [3 in 1 Instrument] Using as an engine coolant temperature meter, an engine oil pressure meter, and a battery voltage indicator. With a digital display, it provides clear readings. The coolant temperature measurement range is 0-120℃, and the oil pressure range is 0-10Bar
2. [Safe Alert System] This instrument is equipped with an alert function to ensure security during driving or boating. The high temperature alert is triggered at ≥95℃, and the low oil pressure alert is activated at ≤0.8Bar
3. [Wide Compatibility] The engine meter has an outer diameter of 2-1/16 inch (52.2mm). Its compact size makes it suitable for installation on cars, RVs, trucks, boats, yachts, and motorcycles, ensuring strong compatibility

Specification:
Item Type: Car Boat Instrument
Digital Display Color: Red
Housing Material: ABS
Meter Diameter: 52.2mm (2 1/16 inch)
Measurement Content: Water Temperature + Oil Pressure + Voltage
Coolant Temperature Measurement Range: 0-120℃
Engine Oil Pressure Measurement Range: 0-10Bar
Water Temperature Sensor Thread Size: NPT 1/8in
Pressure Sensor Thread Size: NPT 1/8in
Working Current: ≤60mA
Working Temperature: -30℃-80℃
Storage Temperature: -40℃-85℃
Water Proof Level: IP67
Shockproof Level: 5G
Application: Cars, RVs, Trucks, Boats, Yachts, Motorcycles
Wiring Method:
1. Black Wire: Power Negative(-)
2. Red Wire: DC Voltage
3. Blue Wire: NC Not Connected
4. Yellow Wire: Water Temperature Signal Wire
5. White Wire: Oil Pressure Signal Wire

packing list:
1 x 3 in 1 Instrument
1 x Water Temperature Sensor
1 x Pressure Sensor
1 x English User Manual"