The light is equipped with a built-in mini control module. The controller is embedded in the light bar. Sealed inside the lamp tube together with the bulb panel. Driver integrated IC. Safe and strong anti-interference ability. Save installation space. Start-up time is shorter. There will be light scanning when starting, the effect is better. Product name: Car LED Daytime Running Light Material: Silicone /LED Input Voltage: 12V Suitable: Universal for all the cars Feature:Waterproof,Flowing Turning Working Temperature: -40~50 Celsius Light thickness: 0.3 cm (About 0.12 inch) Light Size: 30 cm / 45 cm / 60 cm (About 11.81 inch / 17.72 inch / 23.62 inch) Color(Purchase option): 1.White flowing turn to yellow 2.Ice blue flowing turn to yellow 3.Blue flowing turn to yellow 4.Red flowing turn to yellow Angel eyes, Headlight Turning Light. Red wire for white light , yellow wire for yellow light , black wire for negative wire. ( When driving ,the light is white,While it is constant flowing yellow when turning ) Installation 1,Stick on outside the headlight 2,Wire Connection Red Wire: +12V/ACC, always on when driving Black wire: - GND / ground (negative power supply) Yellow wire: connecting to turn signal (+) Buy attributes: Only white does not need to connect yellow wire, only red and black two wires Package: 2pcs/set LED Daytime Running Light Note: 1.90 bending is prohibited during product installation 2.This item supports cutting. If you need to cut,Please cut as shown in the picture to prevent damage