Rotating ring and endcap switch for convenient control of all functions (main LED: SOS, strobe, beacon, constant mode, momentary mode/multi-color LEDs blue and red, each as constant light or as blue-red law enforcement warning signal). Hard-coat anodized housing with grippy checkering and stainless steel reflector guard ring. A removable spacer ring is used to reconfigure the compact housing from an AA battery (Mignon) for use with a CR123 battery or rechargeable battery. Max. 550 lumens in rechargeable battery mode (RCR123/16340), max. 330 lumens in standard battery mode (CR123) or 180 lumens (AA/Mignon).