Intelligent robotic rail dolly system that can be hidden behind the stage or hanging from top, moving agile and easy to control. With Incam remote head it supports unlimited continuous pan rotation and all-in-one solution for optical transmission including video, data and power supply upon one cable. Maximum dolly’s speed up to 5m/sec, automatic braking at both end of track. Quick switching from forward to backward, no shaking during high-speed shift.