Operating voltage: 2.7V - 12V Do not exceed 12V. Do not use four rechargeable CR123A. SUPPLIED Accessories BASE: Flat Smooth aluminum bezel, Spare O-rings, Titanium coated Stainless steel pocket clip, User manual, Soft cigar holding grip, Lanyard ring attachment ring, Mil-Spec Paracord Lanyard w/ quick attachment clip
KIT: Items listed above - but, Stainless Steel Crenulated Bezel (instead of flat aluminum), Flashlight head comes with front-mount thread for bezel and filter attachment, Cigar grip cover ring, Tail-stand rubber boot, ET54 diffuser filter, 3 cells extension body tube for three CR123A/RCR123A, 4 cells extension body tube for four CR123A or two 18650 li-ion, Aluminum CR123A battery spacer for extension body tube.