It is easy to install downlights as lamps, does not occupy space, is generous and durable, and it is usually no problem to use downlights for more than five years. The style is not easy to change. The price is also cheap. Compact and high luminous flux. The power consumption is 1/3 of that of incandescent lamps, and the service life is 6 times that of incandescent lamps. The compact design of 175 dimensions is maintained, which restrains the presence of lamps and creates a bright space.