... Ptz decoder:NA-3001A: Control the pan/tilt zoom in left/right/up/down automatically, focus. Dimension: 220×145x50mm NA-3001A ... -A: Control the pan/tilt zoom in left/right/up/down automatically, focus, memorize the information automatically and ... : 220×145x50mm NA-3001D: Control the pan/tilt zooms in left/right/up/down automatically, focus, memorize the information automatically and ...