Easy to use! Just press button to activate, place in water and stir; lamp turns off and an indicator signals when water is purified

Ultraviolet UV-C light rays safely sterilize clear water by destroying 99.99% of protozoa, including Giardia, Cryptosporidia, bacteria and even viruses

Protects you from risks that cause botulism, cholera, dysentery and typhoid, just to name a few

Optical sensor doubles as a convenient LED flashlight

Retail package includes 2 non-rechargeable (disposable) CR123 batteries and a neoprene case with belt loop

Device works with containers with minimum 1.75 in. diameter opening (i.e. Nalgene wide-mouth bottles)

One set of CR123 batteries will treat up to 50 liters of water

UV lamp life: 8,000 treatments

Small and lightweight, weighing just 3.8 oz. with batteries

SteriPEN Premium Lamp Life Pledge lets you register your purchase to receive a replacement SteriPEN after 8,000 uses; find details at steripen.com/pledge