Secret LED bulb bubble price difference why so big?
Power Supply。 Good quality will be equipped with power supply, usually in the lamp cavity. And low prices are put on the lamp board with several capacitive resistance to deal with
Structure. LED heat dissipation is very important, good bulb will be equipped with radiators, inexpensive, and its life can be imagined
Component material. Whenever cheap prices are shoddy, without exception
Lamp beads。 I also do with Samsung bulb, bulb, lamp light cost more than others product price;
Remember, cheap, no good goods, the market price of less than 15 yuan bulb said that their quality is not credible.
