The Solidline SH6R is a rechargeable headlamp with a massive 600 lumens of brightness on Boost mode delivering an incredible 300 meter beam range; which is nearly as tall as The Shard (310 meters) in London - the UK's tallest building, Three brightness levels - Boost (600lm), Power (250lm), Low Power (30lm), that can be directed within a 65? angle to maximise effectiveness, Patented Advanced Focusing Optics for near (flood) or distance (spot) illumination, Rear red light for safety, Transport Lock to prevent accidental battery drain, Tough protective metal housing encases the LED; coupled with an adjustable, detachable, washable headband, Low battery warning indicator and charging status indicator, Simple fuss-free faster recharging via the supplied micro USB cable - no need to remove the battery from its housing, Powered by 1 x L-ion 18650 3.7V rechargeable battery (supplied), Designed by Ledlenser, a leader in its field and backed by a one-year warranty