Attributes . Safe for Use In Ex-Zone 1/21 Areas and with A Battery Life of Up to 45 Hours (On Low Power), The Rechargeable and Intrinsically Safe EX7R Will Keep A Bright Light On The Job No Matter How Long Your Work Shift Is. Ledlenser Patented Advanced Focus System Allows You to Transition Light From A Broad Flood Beam to A Sharply Focused Long-Distance Beam, Allowing You to Control The Powerful 220 Lumens of Output. The Magnetic Power Switch Makes Operating The Flashlight Easy Even While Wearing Heavy Work Gloves. . Names