This all-black Plug-In Dimmer requires no setup—simply plug it into a Type I power socket with your LED dimmable bulb and adjust its brightness from 100% to 0% without any flickering. Compatible with dimmable LEDs, halogen and CFL bulbs, it features a 2m black power cord. Compatible with various bulb types, it's an easy and energy-efficient way to customize the mood and ambience of any room.