SteriPen Ultra One Size;

FEATURES of the SteriPen Ultra Water Purifier High-contrast, user-friendly OLED display Internal battery is USB-rechargeable via computer, outlet or portable solar panel 8,000-treatment lamp delivers years of purification USB-rechargeable internal battery Industry-leading safety features Package contents: SteriPEN Ultra, USB cord and neoprene carrying case Delivers around 50 liters of UV purification before needing to power up SPECIFICATIONS of the SteriPen Ultra Water Purifier Weight: 140 g Dimension: 7.3 x 1.6 x 1.3" / 18.6 x 4.1 x 3.2 cm Battery Type: Internal Lithium Rechargeable Batteries Included Battery Life: Up to 50 treatments per charge UV Lamp Life: 8,000 Treatments