The Ultimate Survival SplashFlash LED Light is a waterproof, submersible bright white light with 360 degree visibility and a textured lens which produces broad, soft illumination. The rubberized grip is shaped for easy one handed operation with the textured bezel being very easy to grasp and turn. Includes a carabiner for easy attachment to your back pack, vest, tent, or wherever else you might find convenient. A single, included AAA battery is all it takes to get almost 12 hours of steady light and 16 hours of flashing SOS signal from this great light. Handy and practical. It is perfect for use as a flashlight, mini lantern, or as a boating light.