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9 15 watts is enough, if it is a cool light, you can take a small value in this range, and a large value for warm light.
Generally, the living room uses more ceiling lamps, use 30-40W, because the ceiling lampshade is not transmitted, it will be a little darker than other LED lights, if you use fluorescent tubes, you can use about 30W!
THE LIVING ROOM IS 14 SQUARE METERS, AND IT NEEDS SUCH A LARGE LAMP OF 1000-800MM, WHICH LOOKS GOOD WHEN HUNG UP, AND THE CIRCLE AND LENGTH CAN ONLY BE DEFINED BY THE VISITORS.
THE DIAMETER OF THE ROUND CEILING LAMP SHOULD BE ABOUT 600MM. The wattage needs to be above 40W to fully illuminate your living room.
Don't look at the area, look at the distance between the TV set and the viewer. The best viewing distance is about 3 times the size of the screen.
The viewing distance is about meters, buy 32, buy 37 meters, and buy 42 above the meter.