3-3/8in. QUAD GAUGE; 100 PSI/100-250 ° F/8-18V/240-33 O; OLD-TYME WHITESometimes space is limited. The AutoMeter Quad Gauge provides a solution to limited dashboard space while providing a clean look. Individual AutoMeter air core meter movements for each function provide the accuracy and durability required by even the most demanding applications. Includes a single wire 1/8 NPT temperature sender and a 1/8 NPT oil pressure sender. The voltmeter reads from 8-18v on negative ground electrical systems and fuel level resistance range is 240 ohms empty to 33 ohms full (compatible with AutoMeter's 3262 fuel level sender). Incandescent Lighting Illuminates Around Perimeter Of Dial Incl. Mounting Hardware/Instructions Air-Core Electric Instruments Provide Quick And Accurate Readings 4 in 1 Gauge Design Saves Valuable Real Estate 12 And 16V Compatible Well-Suited w/Electrical System Incl. 1/8 in. NPT Pressure Sender Incl. 1/4 in. NPT Adapter Incl. 1/8 in. NPT Temp Sender Incl. 3/8 And 1/2 in. NPT Adapters Incl. Bulb/Socket Assembly/Red And Green Bulb Covers