The Fenix AER-04 remote pressure switch is designed for flashlights that run on a 21700 battery. Its tail adapter is made of A6061-T6 aluminum with type III hard-anodized and anti-abrasive finish. The dual tail switch panel includes a full-silent forward switch and a tape switch allowing easy and fast operation of momentary-on or constant-on illumination. Compatible Flashlights: TK30, HT18, HT30R
