Does the home led tube have ultraviolet light
But when buying led lights, it should be noted that the power of a single led is uneven with leds below 0.5w, and there is a basic problem in the market
It's not a trick to say, but don't be afraid, most artificial light sources are there, and there are only a lot more than leds, like fluorescent lights, energy-saving lamps... Today with the changing of science and technology, the led is far better than in previous years, the quality of the purple light damage has become the past, it's just that some merchants traditional lamps and lanterns of advocacy for himself only often hang on the nozzle
But should pay power in 1 w and above, such as watching the directions of the whole lamp power is 10 w, led only 9 grain, 3, 2 or 1 grain, grain is good, such as only 3 to 5 w, and the led is used 20 to 50 grain, is about to be careful
