Description: Great add on item for controlling headlamp, DRL or side lights. With 4 functions, turning indicator, flash, off-delay, reduce light. Allow you to connect your DRL lights so that when you start the car the lights turn on. Suitable for most vehicle models. Specification: Voltage: 12V Current: 2A Light source power: 40W Life expectancy: 40000 hours Light Source: LED Item Type: Daytime Running Lights Red line -- Car Battery Positive Black line -- Car Battery Negative Blue line -- ACC Delay Lighting White line -- Headlight Two yellow lines --Left / Right Turn Signal Package Includes: 1 Piece Car LED Light Dimmer Wiring Harness 2 Pieces DRL Light Scoket Wiring Harness Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you