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 12-24V Name: Car LCD 4 in 1Gauge(Water Temperature/Oil Pressure/Fuel/voltage Gauges) Product size: 9.5x6.3x3.2cm Power Supply: DC 9V - 40V Working temperature: -40 - 50 Working humidity:45%-75%RH Temperature sensor screw : M10 Oil Pressure sensor:1/8 NPT Test parameters: Voltage Test:9-35V, Accurany:0.5%,Alarm:Less than 10.5V/ 14.5-21.5V / more than the 29V Water Temperature Test: 0-110,Accurany:0.1%,Alarm:more than the 96 Fuel Test:0-1.0MPa,Accurany:0.1%,Alarm:Less than or equal to 0.08MPa Oil 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, oil Colour:black Material:plastic Package Contents: 1x Gauge 1x Temperature sensor 1x Oil Pressure sensor 2 Set cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.