Feature 1Wide Applicability: This 5 gauge set instrument panel is designed for marine environment, suitable for boat, yacht, ship and etc. 2Textured Design: Black panel with red needles, 7 color LEDs for the start up tachometer, giving it a stylish and sporty look. IP67 waterproof, anti rust, fog and UV. 3Practical Function: Hour meter records to 99999.9 hours and automatic roll over resolution 0.1 hour. Volt gauge, fuel level gauge, water temperature gauge and oil pressure gauge with warning function. 4Important Note: Gauge set requires 12 / 24V negative ground systems. and volt gauge requires 12V negative ground systems. 55 in 1: This instrument panel contains 5 gauges, including tachometer, fuel level gauge, water temperature gauge, oil pressure gauge, and volt gauge.Item Type:5 Gauge Set Instrument Panel .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Tachometer Install Diameter: 85mm or 3 3/8inEngine hours: 0.0-99999.9HIndicating Range: 0~3000RPMSignal: PulseFuel Level GaugeSizes: 52 mm (2 1/16in)Measuring Range: Empty - FullResistance: 240 (E) - 33 (F) ohmsWater Temperature GaugeInstall diameter: 52mmIndication range: 40~120/100-250Input signal: 287.4~22.4 ohmsStorage temperature: -40~+85 Oil Pressure GaugeInstall diameter:52mm or 2 1/16inIndication range:0~10bar / 0-145 PSIOperating temperature:-30~+75 Storage temperature:-40~+85 Volt GaugeSizes: 52 mm (2 1/16in)Measuring Range: 0 - 32(V)Fitment:Suitable for yacht, boat, shipPackage List1 x Set of Instrument Panel ( 1 x Tachometer, 1 x Water Temperature Gauge, 1 x Oil Pressure Gauge, 1 x Oil Level Gauge, 1 x Voltmeter)1 x Instruction Manual2 x Key