With selectable brightness levels from low to high (and a strobe option), you can adapt to any situation from subtle map reading to full-blast illumination. Built Streamlight Tough: Machined aircraft-grade aluminum body, impact-resistant housing, gasket-sealed glass lens and water-resistant IPX4 design ensure this flashlight withstands rough conditions, job-site work, or outdoor adventures.
Each item only weights 0.2 oz. It can add no extra burden to your keychain. Mounting Type Keychain. The bright white light could light up to 33 feet. Replaceable Batteries: Each keychain flashlight contains 2 CR1022 button batteries, which provide up to 12 hours of continuous use.