Q:How do I remove the ceiling lamp mask?

These two, or else you like to say, turn down, or turn the button, these four.

Q:Is the ceiling lamp LED susceptible to damage? And under what conditions does it cause damage?

Usually the cause of the damage in several aspects: the first is the external environmental factors, such as foreign influence (rain or other dust and other impurities); followed by the stability of voltage supply, the more stable life is relatively long

Q:How about crystal ceiling lamp? How to choose crystal ceiling lamp?

And glass, acrylic material, not only the price is relatively cheap, and easy to clean. The choice of the bedroom, study, living room lamp

Q:How can I choose the size of the ceiling lamp and what is the size of the ceiling lamp?

The ceiling lamp can be directly adsorbed on the ceiling. The light source is mostly incandescent lamp, and the lighting modes are downward projection, astigmatism and overall illumination

Q:The principle of the ceiling lamp changing light

The lamp there are three lights, there are three relays or triac control alone, the controller has an internal function similar to the CD40110 counter chip, switching power supply, power supply at the same time to the chip

Q:The ceiling lamp and the LED light off but the dark will power it

Rarely, you may switch off the zero line, a direct line is, if this is the case has been dark.

Q:Which brand is LED ceiling lamp good?

LED uses cold light emitting technology, which produces much less heat than ordinary lighting.

Q:The new LED ceiling light doesn't make fashion. How can you test the light and how bright it is?.

Then plug the plug into the socket and light it up. After 10 minutes light should can reach the brightest state, Tmall EF led ceiling lamps that can see oh.

Q:Ceiling lamp in the wire how to connect three lines, three holes should be how to plug?

First of all, to distinguish the nature of the three lines in the ceiling lamp, the three lines are: FireWire line, L line, zero line into line, N, ground protection line PE

Q:How many tiles are there in the living room?

Each end of the lamp is provided with a filament, and the tube is filled with trace argon and thin mercury vapor, and fluorescent powder is coated on the inner wall of the lamp tube, and when the gas between the two filaments is conducted, ultraviolet light is sent out so that the fluorescent powder emits visible light.