Hign-concerned Chemical:NONENumber Of Cylinders:4 or 6 or 8Placement on Vehicle:FrontCountry or Region of Manufacture:ChinaInterchange Part Number:Auto GaugeSpecial Features:Measure and display various data of the carItem Weight:0.35kgItem Height:38mmItem Width:52mmItem Length:52mmManufacturer Part Number:625Brand Name:DRAGON GAUGEOrigin:Mainland ChinaMaterial:LCDandMetalandPlasticTachometer:0-10x1000RPMBoost Gauge:-30-35PSIWater Temp Gauge:40-140Oil Temp Gauge:50-150Oil Press Gauge:0-150PSIVoltmeter:8-18VAir Fuel Ratio Guage:20:1-10:1Exhaust Temp Gauge:2-12x10052mm Tachometer RPM Boost Water Temp Oil Temp Oil Pressure Exhaust Temp Gauge Voltmeter LCD Digital Display 7 Colors Car Gauge Item Description: Boost gauge, water temperature gauge, oil temperature gauge, oil pressure gauge, exhaust temperature gaugewith sensor. ( Note: Air-fuel ratio guage without sensor, needs to be purchased separately.Suitable for narrow band oxygen sensors only) It is suitable for 12 volt gasoline vehiclestachometer is only suitable for 4 or 6 or 8 cylinder cars. The sensor thread size is 1 or 8ZG. LCD Digital display 52mm gauge7 backlight colors can be changed through the button on the gauge. All include English installation instruction. Tachometer:0-10x1000RPM Boost Gauge:-30-35PSI Water Temperature Gauge: 40-140 Oil Temperature Gauge: 50-150 Oil Pressure Gauge PSI:0-150PSI Oil Pressure Gauge Bar:0-10Bar Voltmeter: 8-18V Air Fuel Ratio Gauge: 20:1-10:1 Exhaust Temperature Gauge2-12100 Note:(There are gauges and gauge stand to choose from, do not buy the wrong. Fitment: It is suitable for 12 volt gasoline vehiclestachometer is only suitable for 4 or 6 or 8 cylinder cars Customer Feedback Item Picture: Tachometer Boost Gauge Water Temperature Gauge Oil Temperature Gauge Oil Pressure Gauge PSI Oil Pressure Gauge Bar Voltmeter Air Fuel Ratio Gauge Exhaust Temperature Gauge