Zenex HID Kit Single Beam Wire Relay Harness (H10) 1 x Zenex High Quality HID H10 Relay Harness w/PVC wire Protection Conduit tube 40A/12VDC Waterproof 4-Pin SPST Relay with Heavy Duty Metal Bracket One relay harness powers both driver and passenger sides Protects your HID system by drawing stable current directly from your battery No more flickering due to low electrical current, 1 Year Warranty