About this item Surface Mount Emergency Strobe Lights---Ultra thin design,stylish appearance.Each lamp has a total of 12pcs 3030 high-intensity led chips,brighter and more effective than standard flashing lights.High brightness visibility even during the daytime conditions. High Quality Truck Strobe Lights---Aluminum Alloy Housing for better heat dissipation performance,upgrade PC lens makes the light bright but not dazzling.Universal for 12-24V all vehicles,mount it to the grille/bumper,or installed in every position of vehicle without modification. 16 Flashing Modes---Synchronization function is available.Quick instant start-up time,last used pattern recall/memory function. 16 select-able flashing patterns, including Steady on, Single flash, Double flash, etc. Easy to Install---Supplied with gaskets and screws.Red wire -(+). Black-(-). Yellow-pattern selection(Touch red wire to change mode).Can be used as grille lights,side lights, warning lights,emergency lights,construction hazard lights for car trucks vehicle etc. Package Includes---4*LED Emergency strobe lights for trucks vehicles,4X Protection Pads and some screws.For two-color combination, you can choose one color on the top and one color on the bottom by rotating the lamp body. For example, yellow&white, you can choose yellow on top and white on the bottom or white on the top and yellow on the bottom. › See more product details