1. The power of incandescent bulbs suggest choose 15 to 40 w; Energy-saving bulb of power suggest choose 8 to 11 w. Please don't use too much power of the light bulb, so as not to overload short circuit and other accidents. 2. The dimmer switch freely adjust radial light and shade, incandescent bulbs are available, and only, not with energy saving, LED bulbs. Otherwise the energy-saving bulb is easy to burn well. 3. Touch switch is a touch switch, touch base or light body, can use incandescent, energy saving, LED bulbs. (not) that move light 4. The push button switch is a key switch, you can use the incandescent, energy saving, LED bulb, but can not adjust the shade of light.