Its cool white LED, paired with the TIR optic lens, delivers up to 2,300 lumens of output, reaching far into the darkness illuminating any environment. Up to 55 days of runtime making this the perfect tactical light for hiking, camping, self-defense, and law enforcement. 4-level battery and brightness indicators around the side switch, giving real-time reminders with a glance. Built-in proximity sensor(can be disabled by double-pressing the side switch within 5 seconds of auto-diming) that drops the brightness level, protecting against any nearby objects while turned on high, turbo or strobe mode. Quick action with the two-stage tactical tail switch. Activate direct turbo or strobe with a single press.