Features: LED: Cree XHP35 High Intensity  LED with a lifespan of 10 years of run time Max 2600 lumens output  using 4x 18650 batterles Output (select by magnetic ring):     Level 1 : 1lms 1200 hours;     Level 2 : 70lms 75 hours;     Level 3 : 450lms 12 hours;     Level 4 : 1000lms 6 hours;     Level 5 : 1900lms 3 hours;     Level 6 : 2600lms 2 hours; Standby : 65uA Strobe : 2600lms 3 hours; Working voltage: 12V - 17V; Max Runtime: 1200 hours; Max beam distance: 1300meters; Peak beam intensity: 422000cd; Impact resistant: 1.2 meters; Waterproof : IPX-8 Standard (2meters); Size: 206mm(length) x 88mm(head diameter)*50mm(tube diameter); Weight: 590g(without batteries); Advantages: Aircraft grade aluminum body structure; Premium type III hard anodized anti-abrasive finish. ultra-clear tempered glass lens with anti-reflective coating. momentary forward click tactical switch. Strobe mode for tactical and emergency use. Smooth reflector for max light output tactical knurling for firm grip streamlined body design Mechanical reversed polarity protection design for battery carrier Intelligent highly effcient circuit board design for max performance and long run time; Specially designed for military,Law Enforcement, Self-defense, Hunting,Search&Rescue and outdoor activities. Intelligent temperature controlled light output for user safety Accessories include:  1x user manual;  1x lanyard;  1x holster;  1x Replacement O - ring and Tailcapgummi; Note:(K70 must use 4 x high drain unprotected 18650 cells, or protected 18650 cells which PCB including 3 MOSFETs.)