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What is the best lighting brightness for eating?
It depends on the size of the restaurant. If it is about 10 square meter, then 3W is enough (LED lights are standard). If 20 square meters suggest 8W, generally 4-6 is good, and finally the conversion between LED and ordinary light bulb:

Comparison of brightness and energy saving between LED lamps and traditional lamps;

1, 1W LED= 15W incandescent lamp =3W CFL (energy saving lamp).

2.3W LED=8W CFL (energy saving lamp) =25W incandescent lamp.

3.4W LED= 1 1W CFL (energy-saving lamp) =40W incandescent lamp.

4.8W LED= 15W CFL (energy saving lamp) =75W incandescent lamp.

5. 12W LED=20W CFL (energy saving lamp) = 100W incandescent lamp.