The waterproof level of LED waterproof floodlights is usually IP65, that is, the waterproof level is only waterproof, and it cannot be used in water for a long time. Of course, some specially made LED floodlights adopt advanced glue filling waterproof technology, and the waterproof level can reach IP66 or IP67, but they are only a few seven-color high-power LED floodlights. A certain water pressure or a certain time class is soaked in water. The waterproof level of the best flood light is IP68, that is, it can be soaked in water for a long time. Of course, this kind of light is no longer called flood light, it is called LED underwater light, which is suitable for use in water. LED underwater lights and LED flood lights are similar in shape in some varieties, but in terms of price, the cost of the former is a bit high due to the difficulty of production and high-grade materials.
The floodlights used in outdoor billboards are generally high-power LED floodlights, and the common powers are 10W, 20W, 30W, 50W, 80W, 100W, 150W, 200W, 300W, 400W, 500W, and the color temperature of general outdoor advertising signs is 6000 -6500K, that is, cool white light, high-quality LED floodlights also use high PF value power supply, etc. The power of the floodlights used for outdoor billboards depends on the size of the billboards you use. Generally, the irradiated area of 10W floodlights is 2㎡, and the best irradiation position is 1m, which is suitable for billboards with a height of 1M; 20W floodlights The irradiation area is 4㎡, the best irradiation position is 2m, suitable for billboards with a height of 2M; the irradiation area of a general 30W floodlight is 6㎡, and the best irradiation position is 3m, suitable for billboards with a height of 3M; 50W floodlight irradiation The area is 8㎡, the best irradiation position is 5m, suitable for billboards with a height of 5M; the irradiation area of 80W floodlights is 10㎡, and the best irradiation position is 7m, suitable for billboards with a height of 8M; the irradiation area of 100W floodlights is 10㎡, the best irradiation position is 10m, suitable for billboards with a height of 10M. Of course, in many cases, in order to make the light of the floodlight more uniform, adjust the irradiation distance, and adopt the method of lighting up and down to solve the problem of installation and light distribution.
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