chieflegacyNOT AFFILIATED WITH SUREFIRE, THESE ARE NOT GENUINE SF LIGHTS THEY ARE HIGH QUALITY COMPATIBLE ALTERNATIVES COMES WITH PRESSURE PADS AND TAILCAPS PRICE IS SHIPPED NOTE: 16340 3.7V batteries are REQUIRED (CR123 3.7V) if your light turns on for a second or 2 then off, that is the function indicating low voltage. Use the correct batteries. These are high output and it is REQUIRED. 18650 for 640 Models FDE AND BLACK FOR ALL MODELS
