This H13 to H4 adapter stores power during “on” time which allows the lamp to utilize constant on energy thus eliminating the flicker

• Plug-and-Play
• Solve computer warning, error code or flickering problems.
• For Jeep Headlight & Fog Lights
• Headlight Anti Flicker Function
• H4 Female & H3 Female Connectors
• Compatibility: fits for most auto’s and HID ballast’s socket is H4, H13
• Nut, Bolt & Washers Included
• Sold Individually
• Sold each