Leading Performance: 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. Long Runtime Tactical Flashlight: Up to 55 days of runtime making this the perfect tactical light for hiking, camping, self-defense, and law enforcement! Visualized Indicator Interface: 4-level battery and brightness indicators around the side switch, giving real-time reminders with a glance. Safe & Reliable: 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. Tactical Tail Switch: Quick action with the two-stage tactical tail switch. Activate direct turbo or strobe with a single press. Satisfy your tactical needs in various situations! Specifications: Material: Aluminum Alloy Beam Distance: 684 ft (300m) Max Performance: 2,300 Lumens Charging Type: MCC3 USB Magnetic Charging Cable Compatible Batteries: Customized 3.6V 5000mAh 21700 Lithium-ion Battery Weight: 6.21 oz (176g) (Including Battery) Length: 5.47 in (139mm) Body Diameter: 1.16 in (29.5mm)