The DynaZap extendable zapper fully extends up to 3 ft L. Articulating head that bends in multiple directions for hard-to-reach areas like walls and ceilings. Kills mosquitoes, flies, gnats, wasps, yellow jackets, spiders, ants and other annoying or crawling insects on contact without leaving behind a smudge or smear to clean-up. It also folds compactly for portable use, making it ideal for camping and other outdoor activities. Comes with an attached lanyard for easy storage. Safe for indoor and outdoor use and has a safety switch that electrifies the zapping grid only when pushed "on". Includes 2 AA batteries which are easy to replace.