The “X” in the name “X-Series” stands for “extreme”. The X21R is a premium 5,000-lumen powerhouse light that has an impressive beam range of over 2,600 feet, which is equivalent to the length of over 7 soccer fields. Perfect as a searchlight. 7 LEDs combine into one powerful beam thanks to Ledlenser X-Lens technology. Featuring Ledlenser patented Advanced Focus System allows you to transition light from a broad flood beam to a sharply focused long-distance beam. It is rechargeable where a revolutionary Safety Ytrion Cell battery system that provides fast charging and more than 3,000 charge cycles without any noticeable capacity loss. The X21R has a constant current and energy savings mode and is always at the ready because of its unique magnetic Floating Charge System.