– Features flood and spot modes with a slide feature that provides a smooth transition from flood to spot – Flood: 250 lumens; Spot: 220 lumens – Dual fuel – uses “AA” alkaline or lithium batteries The Streamlight Jr. F-Stop is a worklight that fits in your pocket. It provides a smooth flood beam to illuminate your work area without tiring your eyes. Slide the lens forward for a smooth transition to a spot beam for distance lighting. – Spot and Flood Modes: – Flood: 250 lumens; 38m beam; runs 6 hours (alkaline); runs 10 hours (lithium) – Spot: 220 lumens; 150m beam; runs 6 hours (alkaline); runs 10 hours (lithium) – Powered by two “AA” alkaline batteries (included) or two “AA” lithium batteries – Push button tail switch – momentary or constant on operation – Durable, anodized aluminum construction with non-slip knurled grip; unbreakable polycarbonate lens – IPX4 water resistant; 1 meter impact resistance tested – Includes nylon holster and removable pocket clip – 6.5″ (16.51 cm); 4.4 oz. (125g) – Limited lifetime warranty