LED downlight downlight and how to distinguish?
The lampshade can be made exactly the same. Distinguish between LED and ordinary lamp can see the inside of the light source, is a common lamp installation of energy-saving lamps. It is an LED light source lamp
LED lamp is composed of a group of LED lamp lines, each lamp line required voltage is very low, so it is necessary for certain circuit can directly used in 220V lighting circuit, the original quality of the circuit in the decision LED lamp life, general service life is several times more than ordinary lamp, price is high, energy saving and environmental protection. Is the direction of development, is to use the ordinary lamp bulb, is the most simple incandescent lamp, low voltage lamp with transformer can access 220V power.
LED lamp is a light source of a yellow dot, dot diameter of about one centimeter. The rear is a cylindrical aluminum radiator similar to a computer CPU radiator (and some have no, and no radiator is of poor quality)General downlight general light source is a small bulb, a bowl shaped reflector.The two lamps are easy to distinguish.
