SUPER VISIBILITYASPL 8Pcs 12LED Surface Mount Strobe Lights, each light has a total of 12 highintensity Led chips. Use aluminum alloy housing ABS magnifying lens for maximum brightness to ensure more effective warning to other vehicles. These strobe lights can be seen from hundreds of feet away. HIGH QUALITYThese lights can withstand harsh weather conditions, waterproof with IP67 and over 50,000 hours life span because of the better production process. Great to use in rain, fog, dust and snow, moistureproof and vibrationproof, escorting your driving. ADDED AYNC WIREUpgraded the synchronization function. If sync is required, just connect white wires of all lights together. RED VDC. BLACK To Chassis Ground. YELLOW Pattern Selection. Yellow wire touches black for less than 1s to the next mode. EASY TO INSTALLUltrathin design is easy to install. Supplied with gaskets and screws to mount it to the grille or bumper. Universal for 1224V all vehicles and can be installed in every position of vehicle. 17 FLASHING MODESBuilt in flasher, and the last used pattern recallmemory function. 17 selectable flashing patterns, including Steady on, Single flash, Double flash, etc.