Prosport JDM Series 52mm - Tachometer - 216JDMTA-R - JDM Series 52mm - Tachometer 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: Tachometer Size: 52mm Range: 0~10000RPM Rim: Aluminum Face: Black Face Backlight: White & Amber LED Sending Unit: Electrical Working Voltage: 12V