VKGAT 4pcs Sync Feature 6LED Car Truck Emergency Beacon Warning Hazard Flash Strobe Light Surface Mount Amber Amber

Package Includes: 4X Ultra Slim 6-LED Strobe Light + 4X Protection Pad + Mounting Screws + Instruction Manual Wires: Red -- Positive Black -- Negative Yellow -- Change patterns (The yellow wire touch black wire) WHITE and Gray-----Synchronization(the white wire to connect Gray wire,4 lights flash synchronously), if you don't need to sync 4 lights, these two wires do not need to use. Features? LED quantity: 6LED Size: 4.33 x 1.06 x 0.39 in Working voltage: 12-24V Wattage: 6W Cable length: 31 inch Strobe patterns: 18 Lifespan: over 50000 hours Service: 18 months warranty,If any questions, please feel free to contact us by email