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This is the reason for the lamp itself, it will reflect the light, according to the inside is a concave mirror.
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There is a short circuit inside and it needs to be disassembled and repaired.
Precautions for the installation location of the ceiling lamp: >>>More
In fact, this installation method is inappropriate, according to the Chinese aesthetic should be the edge of the lamp parallel to the other sides.
If you have a gypsum board top, you can screw it directly with self-tapping nails, if you can't use glue.
1. Choose a good location.
Before installation, we must first determine its installation location, generally speaking, the lamps are installed in the center of the room, so that the light in the whole room is evenly distributed, and the light in each position will be more even. But for the bedroom, for the sake of our sleep quality, it is recommended that the ceiling light should not be installed directly above the bed, so that we will not be disturbed by the harsh light when resting, and we can have a better sleep quality. >>>More
It is best to use two expansion screws.
The bolt is 120*8, and the steel plate drilling screw is fixed and connected, so that the safety factor is higher. >>>More