Compatible Lamps: 1 gang 1 way dimmer switch. No need neutral wire.Supports 3-300W dimmable LED lamp or 3-700W incandescent bulb,AC 110-240V. . The LED adapter in products will effectively prevent 99.9% of the flickering problem when dimming LED light. 20% - 90% Dimming: Touch and hold the circle area to dim up. Release and hold again to dim down. If touch the circle area and release quickly, work as on or off. Brightness memory function will remember and turn back on to the last light setting when poweRed off. Touch Control & LED Backlight: TempeRed glass touch screen design,40ms high-speed touch-sensitive response. Strong/weak Blue indicator shows the on/off clearly, easy to find in darkness, but zero-impact on sleep. Low power consumption and long service life. Safety Protection: Fire-retardant material and Aluminum shell for heat dissipation. 4mm thick tempeRed glass panel is waterproof and safer than push button, prevent electric shock even if touching by wet hands. No color aging, easy to clean and no scratch. Notice:Due to the nature of our switch, only after the glass plate has been installed you can turn on the power last.Or the switch will not work properly. Manual will guide you through the wiring process.Standard size 86*86cm,screwless snap-on wall plate. 1-Way Dimmer Switch No Neutral Wire RequiRed 40ms Touch-Sensitive Response Load Power: 700W max Voltage: 110V - 240V, AC 50/60Hz Wall Box: 60mm Width, 30mm min. Depth