The waterproof grade of LED flood light is usually IP65, that is, the waterproof grade is only waterproof, and it cannot be used in water for a long time. Of course, some specially made LED projectors use good glue filling waterproof technology, and the waterproof grade can reach IP66 or IP67, but they are only a few seven color high-power LED flood light . In theory, such projectors can be immersed in water at a certain water pressure or for a certain time.
The waterproof grade of the well made led floodlight is IP68, which means it can be immersed in water for a long time. Of course, this kind of lamp is no longer called floodlight, but LED underwater lamp, which is suitable for use in water. LED underwater lights and LED project lights are similar in appearance in some varieties, but the price of the first one is a little high because of the high manufacturing difficulty and material problems.
The floodlights used for outdoor billboards are generally high-power LED floodlights, with common powers of 10W, 20W, 36W, 50W,60W, 80W,90W, 120W, 150W, 180W,200W and 300W. The color temperature used for outdoor billboards is 6000-6500K, that is, cold white light. The LED floodlights also use high PF power supply.