This compact industrial penlight of Ledlenser has a surprising light output of 120 lumens. It is ideal to use as a inspection lamp or in the workplace. The I6R comes with a handy charging station with USB port. LedLenser is a Zweibrüder brand. They manufacture a wide range of torches, headlamps and diving lamps featuring the latest LED technology as well as, in most cases, the Advanced Focus System, one of the best focusing systems available.