... • Speed dome camera infinitely variable speed control• LCD display Specification:ModelMY-4001B(2-Axis), MY-4001BT(3-Axis)ProtocolPelco-d, Pelco-p, Panasonic, Hikvision ... -duplex Cascade connection number16 sub-control at most,controller ID:0-15Joystick3-Axis(control:up,down,left,right,zoom)2-Axis(control:up,down,left,right ...