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1 , brightness ,  LED lamps including commercial PIR LED flood light should be suitable for LED Class 1 laser grading standards .

   

2 , the stronger the antistatic ability, the longer the life of commercial PIR LED flood light and other commercial and household LED light, and therefore the higher the prices ,  LED whose antistatic ability is more than 7000v can be usually used to be made into led lighting .

3 , the color of commercial PIR LED flood light and other commercial and household whose wavelength is the same is consistent , if requiring the same color , the price is high. It is difficult to produce PIR LED flood light and other power and household LED light whose color is pure for those manufacturers who do not have LED spectral separation device. 

4, the leakage current LED -way conductive light , if there is reverse current , and become leakage, the large  the leakage current, the shorter the lifespan of outdoor PIR LED flood light and other outdoor and indoor LED light, the cheaper the prices.

5 , the different light angle  luminous angle of outdoor PIR LED flood light and other outdoor and indoor LED light is not the same. Those emitting light at specific angle is dearer.Browsing http://www.lead-lighting.com/led-flood-light/high-power-waterproof-pir-led-flood-light-series.htm for more information about PIR LED flood light.

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