Attributes . With The Intrinsically Safe IL7 You Can Work In Ex-Zone 2/22 Areas for Up to 37 Hours If Needed with Up to 340 Lumens of Light Output. The Extra Large Magnetic Switch is Easy to Operate Even with Gloves On and The IL7 Features The Ledlenser Patented Advanced Focus System, Which Allows You to Transition Light From A Broad Flood Beam to A Sharply Focused Long-Distance Beam. . Names