Ideal mini-beacon light whenever you need a little help in the dark. Set in a lightweight stainless steel carabiner, it attaches quickly and securely to key rings, jackets - just about anything with a hook or zipper. Its long-lasting LED (light emitting diode) provides an ambient glow bright enough for everything from reading fine print to finding your car door keyhole. Attached to things like tent lines and camping gear, it provides instant location of hazards and necessities. Attached to you, it tells other people where you are, when they might not otherwise see you. Can be conveniently set to glow or flash modes, is water-resistant, and includes long-life replaceable batteries.