This AutoMeter 5437 Pro-Comp 2-5/8” Electrical Water Temperature gauge has incandescent lighting to provide visibility during nighttime use. This gauge is 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system. Gauge kit includes a single wire 1/8" NPT temperature sender #2258, 3/8" & 1/2" NPT adapter fittings, bulb and socket assembly, red and green bulb covers, mounting hardware, gauge bracket kit #3245 and detailed instructions for installation. AutoMeter 5437 Pro-Comp 2-5/8” Water Temperature Gauge Features: Gauge Diameter: 2-5/8 in. Gauge Style: Analog Sending Unit: Electrical Gauge Range: 100-250° F Gauge Face Color: Black Gauge Number Color: White Pointer Color: Red Bezel Color: Silver Illuminated: Yes Liquid Filled: No Sending Unit Included: Yes Quantity: Sold Individually AutoMeter offers a variety of Pro-Comp gauges to monitor your vehicle’s data, and they are available in the range as well as size to perfectly fit your ride. When you're serious about performance, trust AutoMeter gauges!