Prudance Book LED Light - Open the Cover to Enjoy Bright 4800K LED Illumination - Rechargeable Lithium Ion Battery Provides Up to 4 Hours of Light on One Charge - Unique Gift Idea A LIGHT THAT DELIGHTS What looks like an ordinary book is actually a light that provides 500 Lumens of illumination when you open its cover and will shine until you close it again LIGHT UP THE NIGHT ANYWHERE 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 LONG-LASTING, EFFICIENT ILLUMINATION 3000mAh lithium ion battery can provide up to 4 hours of light on a single charge; Repower the battery quickly with included micro USB cable COOL, ENERGY EFFICIENT ILLUMINATION This light provides the same illumination as a 40-watt bulb while consuming a fraction of the power, and it doesn't give off heat the way that a conventional lamp can UNIQUE GIFT IDEA They'll think you've given them a book, but then they'll open it up and reveal the light! Sure to amaze anyone!