Fenix AER-04 Tactical Remote Switch Fits HT18/HT30R/PD36R PRO/PD36 TAC/TK16 V2/RK20R V2/TK20R V2/TK20R UE/TK22 TAC/TK22 UE/TK30 Black. This remote switch allow you quickly select momentary on of the brightest level with the pressure pad or constant on 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: HT18 HT30R PD36R PRO PD36 TAC TK16 V2.0 TK20R V2.0 TK20R UE TK22 TAC TK22 UE and TK30 only. Not compatible with the PD36R. Specifications for Fenix AER-04 Tactical Remote Switch Fits HT18/HT30R/PD36R PRO/PD36 TAC/TK16 V2/RK20R V2/TK20R V2/TK20R UE/TK22 TAC/TK22 UE/TK30 Black: Manufacturer: Fenix Color: Black Finish: Anodized Black Additional Features: Remote Switch Case Finish: Anodized Handle Color: Black Blade Finish: Anodized Handle Finish: Anodized Features of Fenix AER-04 Tactical Remote Switch Fits HT18/HT30R/PD36R PRO/PD36 TAC/TK16 V2/RK20R V2/TK20R V2/TK20R UE/TK22 TAC/TK22 UE/TK30 Black: Tactical Round Switch for Constant-on Pressure Switch for Momentary on Package Contents: Fenix AER-04 Tactical Remote Switch Fits HT18/HT30R/PD36R PRO/PD36 TAC/TK16 V2/RK20R V2/TK20R V2/TK20R UE/TK22 TAC/TK22 UE/TK30 Black