With a 650 meter beam of highly focused and intense light the M12SLED has a 35% longer beam distance than its competitors, with 750 Lumens of light on high & 400 Lumens on low mode. The Milwaukee designed reflector produces a narrow centre beam with a wide peripheral beam. Run time with Milwaukee 12 volt 4.0 Ah REDLithium batteries is 4 hours on high & 8 hours on low.