The Fenix ALG-05 tactical remote pressure switch mount is designed for use with Fenix AER series tactical remote pressure switches. The mount easily snaps on to any standard Picatinny rail creating a secure hold for the AER pressure switch. The body of the mount is made of aluminum alloy with hard-anodized finish, and it is non-reflective with a matte black finish. Compatible with AER-02 V2, AER-03 V2, AER-04, and AER-05 (purchased separately)