If you love DC comics and Batman, then this is definitely something you'll want to add to your utility belt! It's a handy pocket flashlight with an attachment to hold your keys. When you turn it on, the Bat Signal logo can be seen if you direct it toward a flat surface. You need four LR41 batteries, which are included. You also get full instructions printed on the packaging. This would make an ideal stocking stuffer for the Batman fan on your gift list. And of course you can have one for yourself too, if you like. Show your love for the Caped Crusader with this cool flashlight!