Powered by digital microprocessor controlled, rugged stepper motor drives and laboratory grade sending units, full sweep electric gauges are the best gauges available. They combine extreme durability and readability of 270 Degree sweep mechanical gauges with the easy installation and safe operation of short sweep electrics. Track tested and race proven, these units use precision senders to keep hazardous fluids out of the driver compartment, and perform gauge calibration and sensor diagnostics at power up for extreme accuracy, every time. Most units compatible with Auto Meter data logger for the ultimate race information center. Size (IN): 2-1/16 Inch Type: Electric Pressure Range: 0 To 100 Pounds Per Square Inch Display: Analog Sweep: Full Sweep Face Color: White Needle Color: Orange Bezel Color: Chrome Number Color: Black Lighting: Blue LED Illuminated Includes Warning Indicator: No Warning Indicator Type: N/A Includes Peak Memory: No Liquid-Filled: No Includes Sending Unit: Yes Includes Wiring Harness: Yes Includes Isolator: No Includes Fittings: No