This AutoMeter 2640 Z-Series 2-1/16” Transmission Temperature gauge has incandescent lighting to provide visibility during nighttime use. Monitoring this temperature is crucial for transmission longevity! 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" & 1/2" NPT adapters, bulb and socket assembly, red and green bulb covers, mounting hardware, gauge bracket kit #2230 and detailed instructions for installation. AutoMeter 2640 Z-Series 2-1/16” Transmission Temperature Gauge Features: Gauge Diameter: 2-1/16 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: Black Illuminated: Yes Liquid Filled: No Sending Unit Included: Yes Quantity: Sold Individually AutoMeter offers a variety of Z-Series gauges to monitor your vehicle’s data, and they are available in the range as well as style to perfectly fit your ride. When you're serious about performance, trust AutoMeter gauges!