Purchased 2.3 years ago. There are no issues with the operation, but since it is a used item, please purchase only if you understand. ● "Brightness at will" for your existing lighting ● Simply connect it to your existing lighting (incandescent lamp) to easily adjust the brightness. <Caution> ※ For incandescent light bulbs only. ※ Please use lighting fixtures with incandescent light bulbs of 5W to 200W. ※ Do not disassemble or modify the dimmer. ■ Cord length: 2.6m ■ Rated voltage: AC100V (50/60Hz), 200VA ■ Incompatible capacity: Incandescent light bulbs from 5W to 200W ■ Dimming range: Stepless dimming, approximately 0% to 100% ■ Usage location: Indoor use only