def setup(self):
        self.parser.add_argument('-D', '--device', dest='device', help='Device ID', metavar='DEVICE')
        self.parser.add_argument('-a', '--alarm', dest='alarm', action='store_true', help='Play a sound for 2 minutes with this message')
        self.parser.add_argument('message', nargs='+', help='Message to be sent to device')