This 1.5m Extension Harness is convenient for extending wiring for IPF Off-road Lights, such as when wiring in the engine bay or installing lights on a roof rack. Compatible with Deutsch waterproof connectors (DT-06/DT-04), it can be used to connect and extend IPF Off-road Lights to switch relay harnesses. One connector will be assembled last to facilitate easy wiring, even in tight spaces.Compatible with the following IPF lights: - 2-inch Lights -S-631, S-632, 641WL-1, 642WL-1, 642WL-2, 642BL - LED Off-Road Lamps -S-950SRL, 900XLST2, 900XLSS2, 816XL, 816XLFM - Light Bars -611SS, 612SD, 621SS, 622SD, 631SS* This product is compatible with one LED light. Multiple lights may require multiple of these products.* Not compatible with AMPHENOL ATP-06/ATP-04 connectors used in IPF 40 and 50-inch Light Bars. Please contact us if you require an extension harness for these Light Bars.About IPF:IPF is a leading Japanese vehicle light manufacturer established in 1946. Their high-quality products are used as outdoor lights all over the world, not only for cars but also as searchlights for boats and working lights for construction vehicles. IPF has earned many rally achievements. They also specialize in metal processing and manufacture various high-quality accessories such as light stays.