Kensun Extra HID Kit Computer Anti-Flicker Warning Cancellers - 1 Pair Canceller is compatible with virtually all aftermarket single beam HID conversion kits Contains Resistor & Capacitor to prevent error message and eliminate flickering problem Volts In: 9 to 16V Easy to Install, No Modification Necessary Includes: 2x Kensun Extra High Quality Anti-Flicker Warning Cancellers