Multifunctional light bar for car doors - The light bar is divided into two parts, half red and half white. When the door is opened, the white part is always on, is used for lighting, and the red part flashes as usual to warn the car behind. Avoid accidental collisions and drive safely. Easy to install - The car door warning LED lights up for all cars, SUVs and trucks. Do not destroy the original vehicle cables, do not damage your vehicle. Use an upgraded 3M adhesive backing, just stick it in the door and connect the positive and negative power supply. Waterproof, Durable - Made of high quality high elastic silicone resin and bright LED light with waterproof design, this car door light is high quality, durable and long lasting. Safe to use - LED light bar for car doors has a working voltage of 12 V, IP65 waterproof, extremely low-heat, touchable and safe for children.