Truly tiny, the Nanolight is a weatherproof, personal flashlight featuring a 100,000 hour life LED. Includes a non-rotating snap hook for easy one handed operation when attached to a keychain. Features: - Easily attaches/detaches to just about anything with convenient pocket clip or key ring - Up to 8 hrs. run time - Machined aircraft-grade aluminum with anodized finish - Powered by 4 alkaline button cells (included) - 100,000 hr. lifetime high-intensity LED - LED available in white (10 lumens) - 1.47" x .51" - .36 oz. - Black