The ProTac Rail Mount 1 features a fixed-mount for Picatinny rails. It uses either a remote switch or a standard push-button switch with momentary/constant or strobe mode. Integrated rail clamp attaches to MIL-STD-1913 rails; easy to attach, secure mounting. The light can run on either a lithium or an alkaline battery. Includes batteries, remote pressure switch, push-button tail switch, remote retaining clips, double-sided tape and zip ties.