Putco is proud to introduce a brake light bulb that improves road safety and helps alert other drivers on the road when you engage your brakes. With a 6000k color temperature, each state-of-the-art LumaCore Strobe LED brake light bulb features multiple LEDs mounted in a 360? arrangement providing a spectacular amount of light output in all directions for increased visibility during the night and day. The LumaCores 360-degree design creates a better viewing angle and overall light emission with reduced hot spots. To deter the biggest enemy of light bulbs (heat) these LEDs are built with a copper core that allows for high-efficiency heat control as well as a more powerful light output.The LumaCore quick pulse alert was designed to make other drivers more aware of when you are engaging the brakes on your vehicle. When the brake is initially engaged the lights will illuminate solid red for 1 second before the quick pulse function begins. Once the brake has been engaged and illuminated the bulbs will perform a 3-measure quick pulse function at .8 second intervals. After the quick pulse sequence, the bulbs will remain a solid red illumination.? The entire pulse function sequence takes 2 seconds from beginning to end. This funciton will help alert others on the road to the braking sequence. The Putco LumaCore strobe brake light bulbs are a simple plug-and-play design that does not require any wiring or additional harnesses. These LEDs are perfect replacement bulbs for any truck, car, or SUV.Get your Quick Pulse LumaCore Brake light bulbs today and feel safer and more visible rolling down the road in your favorite rig!A load resistor is highly recommended to prevent hyper flashing issues or bulb-out errors LumaCore; 7443 Bulb Type; Red; Pair; x3 Strobe w/Bright Stop;