Tuff-Luv "Night Bright" Clip-On LED Reading Light - Black Custom fit clip for e-readers to attach to your reader case Flexible neck ensures lighting direct to the page Our compact design means it can easily be put away when not in use The lamp includes a reflector cone, to increase brightness by 30% This light comes with three inexpensive batteries (up to 72 hours), to get you reading straight away long into the night