From Revolve about their RAM motion control system…
Revolve Automated Motion (or RAM for short) is a versatile motion control system for time-lapse and ultra smooth video. It can be used with any camera slider or with the Revolve Camera Dolly to create a wide variety of stunning footage!
The kit adds precise and fully adjustable motorized control to your camera moves, and at an amazingly affordable price!
see more at www.revolvecamera.com