Compatible Lamps: 1 gang 1 way dimmer switch. No need neutral wire.Supports 3to300W dimmable LED lamp or 3to700W incandescent bulb,AC 110to240V. . The LED adapter in products will effectively prevent 99.9 percent of the flickering problem when dimming LED light. 20 percent to 90 percent 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 and LED Backlight: Tempered glass touch screen design,40ms hightospeed touchtosensitive response. Strong or weak blue indicator shows the on or off clearly, easy to find in darkness, but zerotoimpact on sleep. Low power consumption and long service life. Safety Protection: Firetoretardant 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 86x86cm,screwless snaptoon wall plate. 1toWay Dimmer Switch No Neutral Wire Required 40ms TouchtoSensitive Response Load Power: 700W max Voltage: 110V to 240V, AC 50 or 60Hz Wall Box: 60mm Width, 30mm min. Depth