USAGE:
The intended usage: 2 LED poster frames are hung on the wall, 2 pages are inserted into 2 LED poster frames, 1 remote control is mated to 2 LED poster frames - the list can be switched on/off remotely.
DESCRIPTION:
The list of 610 irregular verbs is printed on two PET films (i.e. polyethylene terephthalate) and is intended for two LED frames of B1 size. Each list consists of two pages. One page is of B1 size (i.e. 707 mm x 1,000 mm or 27.8 in x 39.3 in). The combined size of two pages is 1,414 mm (horizontally) x 1,000 mm (vertically) or 55.6 in (horizontally) x 39.3 in (vertically). Assuming that LEDs’ (i.e. light-emitting diodes’) life expectancy is around 35,000 hours, if LEDs are switched on for 8 hours a day, LEDs should last for about 11.9 years; 6 hours a day – 15.9 years; 2 hours a day – 47.9 years; under 1 hour a day – lifetime. During the printing process, as soon as ink is applied onto the PET film, it is immediately dried by UV light (i.e. ultraviolet light) to preserve ink's durability and lightfastness.