Rayovac WHESFL4AA-B Detector Worklight 4AA Hands-Free Auto-Focus FlashlightA hands free flashlight that's engineered to work as hard as you do. This worklight delivers optimal lighting for any situation using Auto Focus Technology. The distance seeking infrared sensors automatically adjust between Spot Mode for lighting precise areas at a distance, and Flood Mode for lighting large areas at short distances. You can focus on the task at hand thanks to the swivel head and magnetic base, which give you powerful light at