... energy habits sooner.Why choose LEDs?LEDs are saving energy,Low power efficiency:LED mean is Lighting Emitting Diode,its advantages such ... cleanliness and no pollution.LEDs has Long life time:LEDs are electronic light sources based on so-called semiconductors,LEDs has 40,000- ... 10,0000hours life time,LEDs life time are longer than traditional Light source by ten times.LEDs has more changes:256 levels ...