The SEO7R is the premium model in the SEO range. It is rechargeable, but for optimal versatility it also runs on standard AAA batteries. Weighing only 93 grams but providing 220 lumens of brightness, it offers the perfect combination of comfort and performance. The SEO7R is packed full of technology. Along with Ledlenser's Advanced Focus System, you also have the choice of using Optisense Technology as one of its light options, where the light output automatically adjusts to suit the light in the surrounding environment. Comes with: carabiner clip, washable headband, battery pack, charger. Smart Light Technology (SLT) - offers 4 different light functions (high, dim memory 15% - 100%, OPTISENSE, signal) and 2 energy modes (constant currrent & energy saving) Advanced focus system & OPTISENSE technology Detachable washable headband, tiltable lamp head, in-built red LED, transport lock Ledlenser lights are covered by a 5-year standard warranty, which can be extended to 7 years by registering the product.