Our REDLITHIUM USB 2,000 Lumen Slide Focus flashlight offers 2,000 LUMENS with FASTER BEAM CONTROL. This flashlight offers 4 different modes of TRUEVIEW HIGH DEFINITION OUTPUT that allows you to maximize output or extend runtime up to 24 hours. Designed with a slide focusing feature for easy and fast beam control, quickly slide from flood mode into spot mode with ease, giving you the ability to see up to 200 meters (656 feet). The multi-functional rear power button offers battery indication, mode selection, and easy access to boost mode. With a simple double press of the button, you can access boost mode at any time. This feature helps you quickly illuminate an area with an extra blast of light when it is needed. With mode memory intelligence the flashlight powers up in the last mode used. Built for the toughest conditions, this water-resistant flashlight has an IP66 rating, dustproof, and is rated for 13 - feet drops. The REDLITHIUM USB 2,000 Lumen Slide Focus Flashlight is powered by the REDLITHIUM USB 3.0AH Battery, providing all-day run-time, more recharges, and 3x faster charge time. The REDLITHIUM USB Battery can be recharged in the flashlight via USB - C or swapped out with additional REDLITHIUM USB Batteries for virtually no downtime. The 2,000L Slide Focus Flashlight is covered by a limited lifetime warranty.