Q:How many watts of ceiling light does a 10 square meter bedroom require?

Luminous efficiency = luminous flux / electric power (unit lm/w); illuminance = luminous flux / area (unit LX).

Q:Ceiling lamp with remote control, or switch, the living room lights, I pre installed the switch

The hall, kitchen, bathroom, bedroom, corridor lighting, whether or chandelier, ceiling lamps, wall mounted switch is to fit in a convenient position as well, usually installed in the door, the door to turn on the lights, the night also touched.

Q:The problem of the ceiling lamp can be connected directly to the plug

In ordinary incandescent lamps, the high temperature of the filament causes the evaporation of tungsten. The evaporated tungsten precipitates on the glass bulb, resulting in the blackening of the bulb

Q:Can you tell me what brand of LED ceiling lamp is good and how to choose LED ceiling lamp?

(founded in 1996, China's leading lighting brands, high-tech enterprises, lighting industry, one of the most valuable brands, OPPLE lighting, Limited by Share Ltd)

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:5 meters long, 3 meters wide living room, what size ceiling light?

Home can be installed ceiling lamp, more places, the living room and bedroom is the most important, is the focus of the whole family. But in the actual use process, people often because of technical obstacles, very tangled. In the purchase process, only pay attention to the shape of the pick

Q:Bedroom ceiling light 18W and 24W difference, the trouble explained in detail, easier to understand

Warm white and white are what you like. Warm white is good for winter. The light from a warm white column is similar to the sun's rays. It looks like a warm feeling. It looks just a little bit more comfortable.

Q:LED ceiling lamp and ballast.

Rather than having long life, bad repair and easy repair, it is more popular with consumers. You say the ceiling lamps arranged individually LED beads in the market have not always sell it to order.

Q:Size of toilet ceiling lamp

. Such as 12 square metres of small living room should be used below 200 mm diameter ceiling lamp or wall lamp, the number of lamps and lanterns should match the appropriate size, so as not to appear too crowded.

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

; the LED lamp tube is the very power, very low wattage incandescent lamp, you can see that, the installation is not in need of money, and the installation is also very simple, as long as a plug twist on it.