Compatible Lamps: 1 gang 1 way dimmer switch. No neutral wire required. Supports 3-300W dimmable LED lamps or 3-700W incandescent bulbs, AC 110-240V. The built-in LED adapter effectively reduces flickering during dimming. 20% - 90% Dimming Range: Touch and hold the circular area to increase brightness. Release and hold again to decrease brightness. A quick tap turns the light on or off. Brightness memory function restores the last setting when powered back on. Touch Control & LED Backlight: Tempered glass touch screen with 40ms high-speed response. Blue indicator light clearly shows on/off status, easy to locate in the dark without disturbing sleep. Low power consumption and long lifespan. Safety Protection: Fire-retardant materials and aluminum housing for efficient heat dissipation. 4mm thick tempered glass panel is waterproof and safer than traditional buttons, preventing electric shock even with wet hands. Resistant to scratches, color fading, and easy to clean. Installation Note: This switch must be installed with the glass panel in place before powering on. Without the glass panel installed, the switch will not operate correctly. Wiring instructions are included in the manual. Standard size 86x86mm with screwless snap-on wall plate. 1-Way Dimmer Switch No Neutral Wire Required 40ms Touch-Sensitive Response Load Capacity: Up to 700W Voltage: 110V - 240V, AC 50/60Hz Wall Box Requirements: 60mm width, minimum 30mm depth