Explosion-proof lamps to buy attention to several aspects

   1.leakage current

  LED is a one-way conductive light, if there is reverse current, then called leakage, leakage current LED, short life, low prices.

  2. light angle

  Use different LED its light angle is not the same. Special light angle, the price is higher.

  3.Life expectancy

  The key to different quality is life expectancy, life is determined by light fades, light is low, long life, long life and high price.

  4.LED chip

  LED luminous body for the chip, different chips, the price difference is very large.Japan, the United States more expensive chip, Taiwan and China manufacturers LED chip prices lower than Japan and the United States.