1.Environmental friendly & Recyclable material: it just needs USB rechargeable instead of batteries. All it need it a USB cable that can connect to computer or the charger. When you open its cover, it will shine until you close it again. Recyclable material: made of environmental wooden applied with lasing cutting. It is a perfect present for anyone you care and the best lamp for home and office decor.2.Folding: it can be folded right back on itself, which means it can cast a light around 360 degrees. Place it anywhere and don't need to worry about bother of wire.3.Simulation Book page with built-in White LED light, just open it, the light will work automatically. 4.5 colors changeable: warm white/colorful5.Compact book light can be taken with you on the go and works without cords. Use it outdoors or indoors to provide that extra amount of light that you need.1.Item Weight472 g2.Parcel Dimensions26.6 x 20.8 x 5.6 cm3.Batteries:1 CR2 batteries required.4.ColorMulticolored5.MaterialWood6.Power Sourcebattery-powered7.Wattage4.50 watts8.Type of BulbLED9.Special Featureswooden book shaped light10.Battery Cell TypeLithium