When the door is opened, the red light flashes to avoid accidental collision Make your car more IndividualityImprove the visibility of passers-by-When the door is opened, the red light flashes to avoid accidental collision. UNIVERSAL DESIGN: Fit for any cars, SUV, truck. do not destroy the original car lines, just paste it in the door and connect the positive and negative power supply to power on 3 MODES FLASHING White/red running +breathing mode + stobe(red) / always bright (white) . HOW THE WARNING WORK: When the door opened, the RED light flashing, White light stays brightwarning the rear pedestrian or vehicle, to avoid accident or collision. WATERPROOF DESIGN: Soaked in water for 30 minutes, still can work. High-tech component sensing: through the IR chip program control, increase the sensitivity, to maintain the stability of the product. EASY INSTALLTION 1. Tear the adhesive around the edge of the door to fix it 2. Pry open the gap at the bottom of the door 3. Put in the drive to hide, pull the wire to the door light 4. The red line is connected to the anode of the door Black wire to negative Specifications: Material: Silicone + LED Input Voltage: 12V Lamp beads: 150pcs (69pcs white + 81pcs red ) Power: 10WSuitable: Universal for all the cars Strip Length: 47 inch = 120 cm Detail Size and Installation Step: Please check the item pictures before ordering. Package Included: 1Pcs LED Door Warning Light