Powerful and Portable: Features 250 Lumens, 1150 Candelas, beam distance of 68 Meters with a run time of 1.5 Hours on high; On low mode, 50 Lumens, beam distance of 31 Meters with a run time of 3.5 Hours USB Rechargeable: Powered by an internal lithium-ion battery; recharges via included USB cable and features a charge status indicator Compact Size: Measures under 4 inches in length with a slim, pocket-friendly profile; overall dimensions are 3.87" L x 0.61" W x 0.61" H Hands-Free Operation: The Streamlight MicroStream comes with a removable pocket clip that allows you to clip it on a brim of a hat for hands free use Built Streamlight Tough: Durable aluminum construction, IPX4 water resistant and 1 Meter impact resistance tested