The Streamlight Jr. F-Stop is a work light 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. Ultra-compact light weight 2AA flashlight features the latest in power LED technology and has Spot to Flood technology! This new feature makes the light very versatile for every lighting need. With the bezel forward (for Spot mode) the light has a piercing beam. When the bezel is slid backwards, the beam opens up into a smooth flood pattern for area lighting.