["Features:\r\nCopper Wire,High Quality Connector with waterproof relay wiring harness. Make Your Car Lamp More Brighter. Super Power Boost\r\nThis auto headlight booster it is special for H4 bulb car\r\nThis relay wire harness will offer you full low and for high beam functionality with its easy plug-and-play setup\r\nAfter install this headlight booster,you car bulb will more brighter 50%than before.\r\nEasy to install,no modification is needed,it is long usage life and more light output. Plug & Play\r\nWateproof and shockproof;excellent performance\r\nExcellent heat corrosion resistancetin widing copper wires\r\n\r\nThis harness fixes:\r\nDim Headlights\r\nBack Feeding Power\r\nFlickering Headlights\r\nMalfunctioning Headlights when using Hi/Low Beams\r\nOverloading the Headlight Switch\r\nOverheating Plugs\r\n \r\nSpecifications:\r\nFunction: Make Your Car Lamp More Brighter\r\nModel Number: H4 headlight wiring harness\r\nVoltage rated: for DC 12V\r\nQuantity: 1 Set\r\nNote:\r\nPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage Contents:\r\n1 Set x H4 Headlight Relay Wiring Harness"]