Super Bright LED Portable Desk Lamp Travel Lamp Foldable Touch Sensitive Control 3 Adjustable Brightness Levels Battery and USB Powered 4.5D x 7.6W x 12.7H cm Desk Light can output 220 lumens of intense light. Features sensitive touch control for easy lamp brightness adjustment. Includes 3 levels of brightness Lightweight, can be folded in any angle, space-saving, easy to use and carry, It can fold to a handy compact size that easily fits into a pocket or purse. It will work connected to power via USB cable or with 4 AA batteries (included)