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(Total 2 Products for Battery Outside Security Lights)
High pressure sodium lamp, which is called the third generation lighting source, was only introduced in the 1960s.Due to high pressure sodium lamp with high luminous efficiency, long life, acceptable and not trap color, not easy to cause the fading characteristics, which makes high pressure sodium lamp is widely used...
LED street lamp lighting products as a new road, it has the characteristics of high efficiency and energy saving, stable and reliable, luminous efficiency than traditional road lighting is several times higher than that of high pressure sodium lamp, lamps and lanterns of a long life, low power consumption, light...
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