The rest of the unit includes two grips which is good for a more run and gun shoulder rig . More details will be available soon
Update - the Nucleus M is expected to go on sale during July 2017 with a price of $1999 for the whole rig including the controller , two grips and the motors , quite a deal eh ?
Tilta Nucleus-M - A Complete Wireless Lens Control System for Only $1200? from cinema5D on Vimeo.