12-24V 20-LED Super Bright Emergency Warning Caution Hazard Construction Waterproof Amber Strobe Light Bar with 13 Different Flashing for Car Truck SUV Van - 4PCS (Blue)

Update Design : 20 led lights focused on one light, smaller, brighter Package Includes: 4X 20-LED Synchronous Strobe Light + 4X Protection Pad + Mounting Screws Patterns: 13 Different Flashing Patterns, Last pattern recall/memory function. Easy to install and durable. The white wire is function wire, connect up the white wire to anode of brake lights to change flashing patterns International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.