This AutoMeter 4937 Ultra-Lite II 2-1/16” Water Temperature gauge has modern white LED through-the-dial lighting to provide clear visibility during nighttime use. This reverse lighting effect changes the silver dial with black increments to a dark dial with LED illuminated pointer and increments at night. This gauge is 12 and 16 volt compatible and well-suited with nearly every street car or race car electrical system. Gauge kit includes 1/8" NPT temperature sender #2258, 3/8" and 1/2" NPT adapters and gauge bracket kit #2230 and detailed instructions for installation. AutoMeter 4937 Ultra-Lite II 2-1/16” Water Temperature Gauge Features: Gauge Diameter: 2-1/16 in. Gauge Style: Analog Sending Unit: Electrical Gauge Range: 100-250° F Gauge Face Color: Silver Gauge Number Color: Black Pointer Color: Red Bezel Color: Silver Illuminated: Yes Liquid Filled: No Sending Unit Included: Yes Quantity: Sold Individually AutoMeter offers a variety of Ultra-Lite II 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!