Universal 3 In 1 Multi-Function Digital Gauge Waterproof Water Temp Oil Pressure Voltmeter Car Temperature Clock with Alarm Technical parameters: - Operating voltage: DC9V-36V, - Material:Plastic Shell - Product size: 53mm * 96mm * 20mm - Measuring range: -9-120, DC9V-DC35V, 0-1. OMpa. - Water temperature alarm: water temperature < 100C (scintillation + buzzer alarm) - Voltage alarm: lower than 11V, 16V ~ 19V, higher than 30V (scintillation + buzzer alarm) - Oil pressure alarm: less than 0.1Mpa, 0.7Mpa~1Mpa (scintillation + buzzer alarm) - Measurement accuracy: 1, 0.1V, 0.01Mpa, - working environment temperature: -10~50 - working environment humidity: 45%-75% RH Application: Suitable for Car,Motorcycle or by your need! Suit Measurement object: compressed air, oil Feature: - 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 Sensor Size: - Water Temperature Sensor : 10mm - Oil Pressure sensor:1/8 NPT Wholesale and drop