Features: "Booklight" Novelty Nightlight. Excelvan BK01，It is a book-shaped lamp with creative ways to display. When you open the book， it turns on; when you close the book， it turns off. The LED lamp's usage is flexible and creative. It can be used as table lamp， floor lamp， pendent lamp and wall lamp， etc. You can choose the shape according to the scene to create a comfortable space. In addition to that， it is convenient to carry. Products Specifications: General Model:BK01 Battery: Build in 3.7v 2500mAh Lithium Battery Power: 4.5 Watt Light Source: LED Lights Lumen: 500lm Color Temperature:2700k Charge: by 5V micro USB Usage Time: up to 6 Hours Support: Foldable Materials: Environmentally friendly waterproof materials and wood Ports Micro USB Port Dimensions Main Product Dimensions: 214x170x23 mm (L x W x D) Main Product Weight: 396g Package Contents 1×Booklight 1×USB Cable 1×User Manual