Wheel Ring Diameter: fitted on 12.5"-17.5" rotors,mounts to Brake Rotor Dust Shield
Operating Voltage: 12V DC Vibrantly lights up Wheel Wells
BLUETOOTH CONTROL - Adjust its color, brightnesss, and flash speeds wirelessly with the PHONE. BLEDIM App available in Apple App Store or Google Play - Android 4.3 and above iOS 7.0 and above. Have your Wheel Light move with your Voice Or Dance with your Music
Package included: 4pcs wheel ring lights,bluetooth control box 5 meters,screws and accessories needed,installation manual.