Unfortunately it's not solid tracking.

It's the standard structured IR light over the scene. Which means that sunlight, reflected sunlight, florescent lights, or any other IR emitter will wreck havoc over the SLAM algo they have running.

What they need is a visual SLAM and not just the IR solution. It works well in their dark candle lit studio where they did the demos. But outside, near windows, near reflections from outside, and flood sources all kill or badly affect it.