Lelife Brightest Clamp Lamp,Sturdy Flexible Gooseneck,3 Brightness Level,5W,Perfect LED Desk Lamp For Reading,Could Be Powered By USB Or Power bank(Clip-On Light) It comes along with an adjustable clamp which is easily adjustable by screwing and can be fitted to a headboard, a bed frame or office tables It has a 9.8inch lighting panel which ensures the light is soft and brighter 3 level dimmer,adjust by touch switch,no need to change the LED,because LED with very long life The metal gooseneck is modern, sleek and flexible and it gives out a wonderful natural light, just where you need it The lamp's package comes along with one operation manual, an AC adapter, and a one year warranty