The living room is 20 square meters, and the height of 2 7 should be equipped with 3 watts or 5 watt

It is recommended to use LED3W in the living room at home. Choose warm white. Regular home decoration is 3W.

Generally, the commonly used is an 8 cm hole inch anti-fog LED downlight with a power of about 5 watts.

If you only need to decorate it on 3W, save power. If you want lighting, use 5W.

Downlight] Downlight is generally a screw lamp head, which can be directly installed with incandescent lamps or energy-saving lamps, and is a kind of lighting fixture embedded in the ceiling with light emitting down. Its biggest feature is that it can maintain the overall unity and perfection of architectural decoration, and will not destroy the perfect unity of ceiling art because of the setting of lamps and lanterns.

Benefits] Use downlights to make lamps, easy to install, do not occupy space, generous, durable, usually use more than five years is no problem, the style is not easy to change. The price is also cheap.

Safety performance] the safety of downlights The main problem of downlights is in the lamp port, the lamp port of some miscellaneous downlights is not resistant to high temperature and is easy to deform, resulting in the bulb can not be unscrewed. All lamps and lanterns can only be sold after passing 3C certification, and consumers should choose downlights that have passed 3C certification. Another is that the thickness of the panel is very important, which determines the price of a downlight.

No matter what downlight or spotlight, heat is generated, so be careful not to get too close to the wall, so as not to make the wall yellow.

It's up to you to do this, use all 3 watts first, and if the follow-up feels not bright enough, replace it with a 5-watt one after it's broken.