This disposable L.E.D. Glow Stick flashlight features a unique lightweight design. With a durable construction, it contains a super bright, colored 5mm L.E.D. The tail cap push button switch makes this L.E.D. easy to use. For added safety, it has a special break-away nylon neck lanyard. Rated for 200 hours of continuous use, this L.E.D. comes complete with non-replaceable batteries.