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.
The Fenix AER-04 remote switch is currently compatible with the Fenix HT18, TK22UE and TK30 only. Please note that this switch is NOT compatible with the Fenix PD36R.