Feature:1. Durable Materials: Constructed from 316L stainless steel front cover and anti fog curved glass cover, can be used for a long time even in acid, alkali and humid environments. Anti fog, IP67 waterproof and dustproof, very suitable for harsh sea environment.2. Accurate Display: Stepper motor drives the pointer to accurately display the remaining fuel level F1/2E, the fuel pressure 05BAR (72.5PSI), the water temperature of the water tank 40120 and the voltmeter 816V, can be displayed simultaneously.3. Red Pointer Indication: The red pointer design has the characteristics of high indication accuracy, good repeatability, strong versatility, reliability and stability and easy to use. Comes with red backlight for easy night driving.4. Excellent Performance: 4 in 1 multifunction meter adopts ultra wide working voltage design, the long term working voltage is 816V, and the maximum can reach 36V. With the advantages of low power consumption, long life, high accuracy and short start up time.5. Wide Uses: The connection harness adopts a snap design for firm connection, making the gauge work even under strong vibration, and can be used for engines, generator sets, ships, construction machinery, agricultural machinery, various vehicle modifications, and so on.Specification:Item Type: 4 in 1 GaugeMaterial: 316L Stainless Steel Bezel, Anti Fog Glass, PCFunction Display: Fuel level, oil pressure, water temperature, voltageInstallation Diameter: Approx. 85mm / 3-3/8inFuel Level Gauge Indication Range: F-1/2-E, signal input 0-190ohmOil Pressure Gauge Indication Range: 0-5Bar /72PSI, signal input 10-184ohmWater Temperature Gauge Indication Range: 40-120, model input 310-23ohmProtection Grade: IP67, the whole body is completely waterproof, can work at 1m underwater; excellent anti fog functionInput Signal: Stepper MotorBacklight Color: RedWorking Voltage: 8-16VDCWorking Current: 120mAOperating Temperature: -30 to +75Storage Temperature: -40 to +85.Package List:1 x 4 in 1 Gauge1 x Harness1 x Manual