The lightbox can work with both 120V or 240V current at the flick of an inner switch without having to change all bulbs, which means you can use 120V bulbs in a 240V country. It uses 8-10 incandescent generic Edison standard base bulbs of 25w to 40w, many replacement bulbs are included. The lightbox is thermally protected by three low speed DC fans and genuine brass heatsinks. First grade panels, traditional bee-wax polished wood, heat resistant ceramic sockets, brass plate heatsinks, and copper wiring. Detachable standing mounts ensure compact transportation, and to permanently suspend it in front of a window, genuine lac varnished handles yield a good tight grip. Using only incandescent bulbs to backlight your monitor for the whole day will increase the electricity bill by around 5-15%, but if used during winter, the radiated thermal energy will be subtracted from your heating bill, and so the electricity consumption will cancel out. However, it is recommended to get a daylight specific monitor in the same order if you have a window without any shadow casting elements, and with either direct or indirect sunlight, to permanently place it there for natural daylight backlight during summer. Having a daylight specific backlit monitor means you have to adapt to the luminous needs of the monitor, and rearranging your space accordingly. Incandescent bulbs can have lifespans of up to 100 years if not used at 100% intensity and physically not move them much, the incandescent bulbs used for the lightbox are the same used for household appliances such as fridges and ovens and such are not banned, the lightbox can also be used as an excellent cured meat dehydrator when placed faced down when not in use.