Streamlight MacroStream USB Pen Light Flashlight - Compact, this personal light, which fits in the palm of your hand or comfortably in your pocket, provides unparalleled performance for its size. High and low modes (double bump the tail switch to change modes): High: 500 lumens; 90m beam; runs 2 hours Low: 50 lumens; 30m beam; runs 8 hours Lithium ion battery charges in-product in 4 hours Durable, anodized machined aluminum construction; scratch-resistant polycarbonate lens Removable pocket clip also clips onto brim of hat for hands free use IPX4 water-resistant 1m impact resistance tested Includes USB cord Length: 4.5in (114.3mm) Weight: 2.2 oz (62.4g)