1) Middle analog speed dome 2) No vibration under low speed 3) 64 presets, 1 ... , can monitor much sharper.2) Be compatible with common brand camera, like SONY,LG,CNB and other high resolution cameras.3 ... route and 1 auto level scan route.6) Medium speed dome Variable rotation(pan 0 ~ 80º/s ;tilt 0 ~ 40º/s ...