The led lenser led6107 seo7r rechargeable headlamp featuring opti sense technology is truly stunning cutting edge technology and a contemporary fresh design combine effortlessly in this high end german engineered headlamp that raises the bar in performance hands free lighting the seo7r incorporates one cree power led premium light chip that delivers an impressive 220 lumens from its rechargeable li ion battery pack included the micro chip controlled smart light technology enables two energy u