The lightboxes use LED lights (WHITE 6500K). It comes with a on/off switch (not a dimmer) and 12V power supply (US plug only) OR USB powered. The advertised lifespan of the lights is greater than 50000hrs. The light boxes are meant to be displayed on flat surface and do not hang. The length of the plug and switch combined is approximately 5 feet. Lightbox includes: 1. One on/off switch (not a dimmer) . 2. One 12V power supply (US plug only) OR USB powered.