Dual mode setting switch: High1 (1500lm)/High2 (1000lm)● Comes standard with both Glock and Picatinny-sized rail inserts for superb compatibility.●The magnetic remote pressure switch can be connected to the magnetic charging port, making the PL-3R suitable for use with Picatinny rails on both short and long builds.● Four output modes: momentary on, constant on, strobe, and key-lock.