... speed dome 2) No vibration under low speed 3) 64 presets, 1 patrol, 1 auto scan 4) RS-485, Multi-protocol Key features ... .2) Be compatible with common brand camera, like SONY,LG,CNB and other high resolution cameras.3) Running smoothly with low speed, subwoofer ... preset positions of pan and lens focal length5) 1 Patrol tracking route and 1 auto level scan route.6) Medium speed dome ...