With digital display, intuitive observation.Parameter display precision and stability, low power consumption.Stable performance.Anti-shake,anti vibration and anti bump.Easy installation.4 in 1 LCD Car Digital ALARM Gauge Voltmeter/Oil Pressure/Fuel/Water Temp 12-24VName: Car LCD 4 in 1Gauge(Water Temperature/Oil Pressure/Fuel/voltage Gauges)Product size: 9.5x6.3x3.2cmPower Supply: DC 9V - 40VWorking temperature: -40 - 50Working humidity:45%-75%RHTemperature sensor screw : M10Oil Pressure sensor:1/8 NPTTest parameters:Voltage Test:9-35V, Accurany:0.5%,Alarm:Less than 10.5V/ 14.5-21.5V / more than the 29VWater Temperature Test: 0-110,Accurany:0.1%,Alarm:more than the 96Fuel Test:0-1.0MPa,Accurany:0.1%,Alarm:Less than or to 0.08MPaOil Pressure Test :5-1000,Accruany:1%,Alarm:more than the 10%Application:Suitable for Car,Motorcycle or by your need!Suit Measurement object: compressed air, oilColour:blackMaterial:plasticPackage Contents:1x Gauge1x Temperature sensor1x Oil Pressure sensor2 Set cableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.