LEPOWER Portable Folding Table Lamp/Calendar/Alarm Clock/Temperature Display/Desk or Wall-mounted Folding design makes it easy for carrying and use, perfect for outdoor activity and traveling. Built-in high capacity 1000mAh rechargeable lithium battery. Brightness adjustable as your need with smart touch sensor. Multi-functional Desk Lamp. Calendar and temperature display on the LCD, it can used as a alarm clock as well. Flexible. You can put it on desk, table or hang it on the wall.(A hanger is provided) AC adapter and USB cable are provided to recharge the device.Charge via computer or adapter or any other device with a USB output.