The Alert Stamping & Manufacturing KTB2000 Tilt and Twist 20 LED task light operates with three replaceable “AA” batteries which last over 30 hours in the low setting and 15 hours at the bright 70 lumen high setting. This light includes a stand-up base with a magnet strong enough to hold the light horizontally, and includes a hook for hanging. The light also offers a "tilt and twist" feature, allowing users a tilt angle is up to 90 degrees and abilty to twist 360 degrees. Protective top and bottom rubber bumpers help avoid marring surfaces and protect the light.