Lightweight water treatment for peak performance in the outdoors! Adventurer Opti was built for the toughest mountains and rivers in the world. Backpacker Magazine gave it their Editor's Choice Award in 2011 for changing the face of portable water treatment. When camping, backpacking & hiking, if you won't have access to the power grid for several days a time, Adventurer Opti is the product for you.

The Adventurer Opti is essential gear for thousands of adventurers. Adventurer Opti features a patent-pending technology an optical eye senses water to ensure safe use and effective treatments. The revolutionary optical water sensor doubles as an integrated LED flashlight for added convenience on the trail or around the campsite: hold down the activation button for three seconds to illuminate the darkness.

Rugged design and construction trusted by thousands of endurance athletes. Adventurer Opti is powered by two CR123 batteries making it lightweight and keeping it operating effectively in even cold environments. The long-lasting UV lamp provides 8,000 water treatments! This Adventurer Opti works in containers with a minimum 1.75" diameter opening. (Like Nalgene wide-mouth bottles one liter bottles.)

Specifications:

- Dimensions: 6.1" x 1.5" x 1"
- Weight: 3.8 oz
- Lamp Life: 8,000 treatments
- Battery: CR123 (included with purchase) or RCR123
- Battery Life: Disposable 100, 0.5 liter treatments Rechargeable 80, 0.5 liter treatments
- Minimum Bottle Diameter: 1.4"
- Filter Compatability: None