Meet the Rhino Arc II: a 4-axis Pan/Tilt/Focus head that lets you do more with your camera. It lets you capture amazing video and time-lapse shots on your tripod or slider. It has 15lb load capacity and works with your iOS device. You can create 5 keyframes and play them back at different speeds.
Arc II also has automatic face tracking. Simply mount your phone on top of your camera to enable Arc II to track you while you are filming. You can change framing, track speed and loop while tracking.