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It`s difficult to know where is the pins of daylight lamp, when you exchange it at night.
GUANG GUAN is a light with 4 raised noctilucence tags on both sides.So you could see and touch tags then you could know the situation of pins. It’s convenient to exchange fluorescent lamp at night .
At the same time ,this design can prevent roiling.
GUANG GUAN is low cost.
Guangzhou Vocational College of Tec
Guangzhou Vocational College of Technology & Business