SteriPEN purifies water using Ultraviolet (UV) light. Whether your source is a clear running brook or a hotel tap, SteriPEN destroys viruses, bacteria and protozoa–including Giardia and Cryptosporidium in seconds.
SteriPEN creates ultrviolet light that destroys the DNA of microbes n seconds. Without DNA, microbes can't reproduces or make you sick. This kind of ultraviolet light can not escape from the water so it is perfectly safe for you.
SteriPEN™ specifications:
Weight: 3.7 oz. without batteries.
(6.5 - 8 oz. with batteries, depending on type)
Dimensions: 7.6" (L) X 1.5" (W) X 1.5" (H)
Battery: 4 disposable or externally rechargeable AA batteries.
Features
Fast: 16 onces in 48 seconds
light: under 8 oz
Easy: push button, automatic, microprocessor and sensor controlled timing
Effective: destroys viruses, bacteria and protozoa (iodine does not kill crypotosporidium; filters alone do not eliminate viruses