JDM Series 52mm - Exhaust Gas Temp Gauge with Waterproof Sensor Japanese Stepper Motor Movement White & Amber LED Backlight Double vision display feature with analog and digital readings Adjustable Warning Function with Sound & Mute Features Daisy Chain Power Supply Included Mounting Cup & Visor Full Sweep and Startup Ceremony when Powered on Series: JDM Series Type: Exhaust Gas Temp Gauge Size: 52mm Rim: Aluminum Face: Black Face Backlight: White & Amber LED Sending Unit: Electrical Working Voltage: 12V