Streamlight Stylus Pro 66149 - 400nm UV Rechargeable Penlight

No Standalone lithium batteries are sold with the product, 400nm ultraviolet LED with 325 mW measured system output; runs 2.5 hours (does NOT include white LED), Fully regulated output for consistent UV performance over the battery life, Lithium ion battery fully recharges in-product in 2.5 hours, Water-resistant sliding metal sleeve protects USB port; sleeve is purple to differentiate from other models