Features:

• LED: Cree XM-L2 LED with a lifespan of 50,000hours
• Max output 1000lumens (1*18650 or 2*CR123A batteries)
• Output Modes (select by twisting head)

      Mode 1:  Low      0.2lms    (745hour)
      Mode 2:  Infinite brightness (0.2lms-1000lms)
      Mode 3:  Strobe  1000lms

• Working Voltage : 2.7V-12V
• Max beam distance: 370Meters
• Peak beam intensity: 33800cd
• Impact resistance:1.2Meters
• Waterproof to IPX-8 standard
• Size: 166mm(length)x51.8mm(head diameter)25.4mm(tube diameter)
• Weight: 236g(without battery)
• Made of durable aircraft grade aluminum
• Premium Type III hard-anodized anti-abrasive finish
• Toughened ultra-clear glass lens with anti-reflective coating
• Copper base plate for more efficient heat
• Shiny smooth reflector and get perfect beam
• Inside of each box included:

        1x L25A Flashlight 
        1x L25A nice gift package box
        2x Replacement O-rings
        1x Plastic rubber cap
        1x Removable SS clip
        1x User Manual
        1x Holster
        1x Lanyard
        1x Warranty Card

The above features to the right claim to ANSI/NEMA FL1-2009 Standards. Tests are performed with 1x 18650(3.7V  3100mAh)battery.