The Fenix AER-05 tactical remote switch is the perfect accessory for your rail mounted flashlight. This remote switch allow you quickly select momentary Strobe with the pressure pad or momentary on/constant on of the High brightness level with the tactical switch. Easily attach your remote switch either by cable ties or the hook and loop backer (both included). IP68 rated dustproof and waterproof underwater to 2 meters. This remote switch only works with the following current Fenix Flashlight Models: HT30R, HT32, TK16 V2.0, TK20R V2.0, TK21R, TK22 TAC, TK22R, PD36R PRO and PD36 TAC (This switch does NOT fit the PD36R V2.0). Please note that when using this pressure switch, Strobe can be engaged, it will not activate other modes. The tactical switch operates the High brightness level only. Features : Tactical Round Switch for Constant-on, Pressure Switch for Momentary on Tail Adapter is Made from T6-grade Aluminum Cable Made from Durable PU Material