SteriPEN Adventurer Opti Handheld UV Water Purifier
The smallest, lightest SteriPEN, the AdventurerOpti, uses a revolutionary optical eye to sense the water. The patent-pending technology ensures safe use and provides purification in even the coldest of waters. The new optical sensor doubles as a convenient LED flashlight. It's a great backup light when camping or taking a night-time walk to refill your water bottle. The Flashlight mode is activated by pressing and holding the single button down for 3 seconds. The clear lamp cover focuses the LED light. Includes 2 non-rechargeable (disposable) CR123 batteries and a neoprene case with belt loop. Also available with a solar charging case that includes a double-cell rechargeable CR123 battery and provides secure storage for the purifier.Battery: Uses two CR123 batteries (included). Battery life: Disposable -- 100 treatments (16oz./0.5L); Rechargeable -- 40-50 treatments (16oz./0.5L). UV Lamp Life: 8,000 treatments.