FMA FCS-DUAL The button is made of durable, CNC-anodised aluminium - it will not be afraid of scratches or corrosion even during the most demanding airsoft activities in rain or snow, during indoor battles or while moving through dense forest. The radio allows you to connect two transmitting devices, which will allow you to stay in constant contact with different groups, without having to constantly change channels. Model FCS-DUAL has two control buttons (ptt1 and ptt2), which will allow you to establish communication through the selected device. A cable with a Kenwood-type plug and a cable for connection with a headset (U-174) The headset to which the device will be connected must be of NATO standard. The button is equipped with a metal buckle that will allow the device to be attached to a tactical vest or belt.