Delta Force RM-20 Pic Rail Mount LED (2-CR123) is water resistant and impact resistant. Features High, Low, Strobe, and Momentary ON functions. Features memory retention; remembers your last setting. It is weapon mountable and includes a Pic rail mount and remote ON/OFF button with cord. Remote button includes hook and look mounting straps. Light features a CREE XPL LED. Constructed from anodized aerospace aluminum. Tail cap with momentary and on/off switch. Crenulated Head for self defense.