Featuring a user-friendly display the Ultra Water Purifier is rechargeable via a computer, outlet, or portable solar panel. Ultra's UV lamp treats up to 8,000 one-liter treatments and is proven to be safe and effective, eliminating over 99.9% of bacteria, viruses and protozoa that cause water-borne illness. Ultra features an internal battery that's recharged from any USB power source; connect the included USB cable and start charging from a solar panel, laptop or car power port. A Low-power indicator lets you know when battery needs recharging; when fully charged you can treat 50L.Ultraviolet (UV-C) light rays safely purify clear water by destroying 99.99% of protozoa (including Giardia and Cryptosporidia), bacteria and even viruses. SteriPEN protects you from risks that cause botulism, cholera, dysentery and typhoid, just to name a few. To purify your water, just press a button and gently agitate the water with a quick stir. Purifies 16 fl.oz. of water (cold or warm) in...