The Super Bright Portable LED Lamp from Ideaworks is ideal for use in your home, the office or while you’re traveling. It has 24 super bright LED bulbs that will give you three levels of brightness and they will stay bright for 100,000 hours. The adjustable light can be powered by plugging it into a USB port or by using 4 AA batteries (not included). The space-saving design allows it to fold flat so that it is even more compact. A 3 1/2 ft. USB power cable is included.