To regulate a dimmable LED light you need an especially designed dimmer. In fact, if connecting a LED lamp to a traditional dimmer often results in an irregular performance and flickering light, which raises the risk of burning out your lamp. Our black inline switch dimmer was designed especially for any kind of dimmable light bulb: traditional filament, energy seving and LED. The LED inline switch dimmer is 100% designed and assembled in Italy and will allow you to adjust the intensity of your light quickly and safely. Dimensions: 97 x 30.5 x 28.5 mm Input voltage: 220-240V