Installation is as same as normal light switch, so does not require Negative line. <br />Using with all types of lights including Incandescent lamps, Halogen lamps, Fluorescent lamps, Energy saving lamps. <br /><br />Operation: <br />Touch the control icon on the switch surface, the LED indicator turns red, which means turning on the lamp. Touch the icon again, turns off the lamp.<br /><br />http://www.switchtolight.com
