Olight M21-X Warrior 750 Lumen Tactical CREE XM-L2 LED Flashlight Features: Utilizing the newest Cree XM-L2 LED, output increased by 20%Output: 750 (1.5h)/320 (3 h)/20 (30 h) Lumens2 x CR123A/RCR123 or 1x 18650 batteries (NOT included)High-efficient drive circuit, the highest output reaches 750umens and beam distance is up to 288m Multi-functional tail switch: Under off status, lightly press the tail switch will perform momentary-on, while twice quick clicks will activate high brightness and triple quick clicks will activate strobe, further full press will acquiesce in outputs. Under on status, full press the tail switch will perform power off. Three adjustable brightness levels (low-medium-high), changeable in cycle through screwing the head from loose to tight Anti-rolling cigar holder is convenient for steady holding the flashlight; and there is a 3mm diameter hole can pass through fabric strap Aviation grade aluminum body, with anti-scratch type III hard anodizing Blackening treatment stainless steel striking bezel also available Time limit high brightness steps down. After 5 minutes running, output on high will drop down to 60%. Restart the flashlight or reactivate the high brightness level to recover Smooth reflector.