Using a very creative way of a switch - open the books can light up, and close it together, will turn off. Every page of the book can shine, posing as a diverse modeling, suitable for bedroom, wine, study use. Can be a desk lamp, wall lamp, pendant lamp, chandeliers.
Using is easy: open the book to turn it on, close it to turn it off.
Rechargeable battery - can run up to 5 hours on a single charge.