This excelvan wooden folding book light / lamp is the ideal way to give your environment a warm touch. When you open the book, it turns on; when you close the book, it turns off. The soft LED light can make your living room, bedrooms and dining room feel welcoming and cozy. You can just put in your bag like a book, place it anywhere and don’t need to worry about bother of wire. The LED lamp is convenient to carry, because it is powered by inside Li battery which can support the lamp for 8 hours.