Multi-functional Book Lamp is a dynamic lamp that conceals itself in the form of a hard-cover book. Book Lamp opens to 360 degrees and comes with a custom orange micro-USB charger, magnetic wooden pegs for mounting, and a beautiful leather strap for hanging.Multi-functional Book Lamp Color turns out red/blue/green/warm white for choice.Specifications:Dimensions: 16.5cm W x 21.5cm H x 3cm TPower: 4.4 WWeight: 1.5 lbs (0.7 kg) approx.Cover: Dark Walnut Body Material: 100% recyclable, water resistant TyvekLight Source & Brightness: Hi-output LED; 500 lumen (slightly brighter than 40w bulb)Light Temperature: 2700K (soft warm white)Battery & Life: Re-chargeable Lithium Polymer; 8 hours with constant use.