Here is another robot cameraman that combines with your DSLR or smartphone to keep you in the frame as you move. The Jigabot Ex Robotic Camera Head has a tracking range of 100ft. It has a weight capacity of up to 9 pounds. It can be used to move iPads, mobile phones, DSLRs, and other comparable devices.
The Jigabot Ex is pretty easy to use. Simply mount your camera to this robot, attach your dots (trackers), and you are set. You can use this for teaching, livestreaming, presentations, and selfie videos.[where to get it]