Features:A completely new way to use light for reading.Portable and lightweight design.So you can read without bothering someone sleeping next to you.50 Hours of light on 3 AAA batteries.One-turning operation， adjustable brightness.Powered by 3 AAA batteries(NOT Included).Specification:Weight: 210gSize: 17.6*1*17.8cmMaterial: AcrylicLight Color: WhitePackage Included:1 x LED light panel