With a QuicClik function system of the LED MAG Charger, users can, within the General function set, choose Full Power (643 Lumens), Low Power (148 Lumens) or ECO Mode. There are 3 additional function sets, Outdoor; Law Enforcement; and Military, each offering a different set of functions invoked n a different sequence for quickest access to the functions the user prefers. Has QuickFocus system and adjusts from spot to flood in about 1/4 turn.