ChromaCast Adjustable Clip On Dual Head LED Light with Wall Adapter Dual Head, adjustable gooseneck head adjusts in any direction 4 LED lights with 2 light settings, bright with one click or brighter with two clicks Base can be used free standing or clipped on Great for reading, playing music and more. Can be be powered three ways: 3 AAA Batteries, 10' USB power cable or with USB Power cable and wall adapter (All three included)