Comes with 2 batteries. Maglite is 5 3/4". The Nite Ize DoohicKey features a half-dozen tools that do everything from tighten bolts and screws to open a bottle of refreshment, all in a simple key tool that fits in the palm of your hand. Features include a sturdy carabiner clip where its opening is strategically shaped to function as a wrench, an etched ruler for on-the-spot measurements, a bottle opener, a flat head screwdriver, and a blunt tip box cutter, that is TSA friendly. With a streamlined, clever design that makes it easy to carry, attach, remove, and reattach, it's always as at-hand as it is handy. Comes in black presentation gift box.