LED bead:4*4LED beads Voltage12V WaterproofIP68 ColorWhite,Yellow,Red,Blue,White&Yellow,White&Red,Red&Blue Usage: SUV RVTruck ATVBoatMotorcycleTrailerFiremen Interior LightCaravan Ect for warning light,Side marker light, daytime running light etc. Each light bar contains 4 super bright high power led lamp beads with high visibility to provide excellent vivid colors. Easy to install, plug and play, can be mounted on many locations. Installtion: Black is the negative pole, red is the positive pole,Use the remote control to change the strobe / flash mode. A:Power on/off, B:Flash speed up, C:Switch Mode Botton, D:Flash speed down Product Include 1SET LED Strobe Light+Wireless Remote