Features: With digital display, intuitive observation Parameter display precision and stability, low power consumption Easy installation, stable performance, anti vibration and anti bump When the alarm that is displayed flashing alarm Suitable for Car, Motorcycle or by your need. Suit Measurement object: compressed air, oil Specification: Name: Car LCD 4 in 1 Gauge(Water Temperature/Oil Pressure/voltage Gauges) Power Supply: DC 9V - 36V Red --- Power + (Red black) --- Power - Accuracy: +/-1% Measurement Speed: 3-5 seconds Oil Measuring Range: 0-1.0M Oil Resistance Range: 5-1000Ω Voltage Test Range: 9-39V Water Temperature Measurement Range: -10-120°C Water Temperature Sensor Screw : M10 Oil Pressure Sensor: 1/8 NPT Material: Plastic colour: black Package Contents: 1 Set x Car LCD 4 in 1 Gauge Only the above package content, other products are not included. Note: Light reflection 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.