SteriPen Ultra: In just 45 seconds, your water is safe to drink. Now you’re free to hike and travel wherever you want, without the need to carry or store your own water. SteriPEN is proven to be safe and effective, eliminating over 99.9% of bacteria, viruses and protozoa that cause water-borne illness. SteriPEN has earned the Water Quality Association’s Gold Seal, certifying its effectiveness.
Ultra, from SteriPEN, is the most advanced UV water purifier in the world. Rechargeable and easy to use – the smiley face tells you when the water is safe to drink
Big Book Catalog, Issue:67, Page:535
SPECS: Weight 4.94 oz.; Dimensions 7.3 x 1.6 x 1.3 in; Lamp Life 8,000 treatments; Battery Internal Lithium-Ion (Included with purchase); Battery Life Up to 50 treatments per charge (maximum of 1 liter or less of water at a time); Minimium Bottle Diameter 20mm (0.8 inches).