Precise Motion & Flexible Use- The camera dolly manually moves along circular, arched, and linear paths, with left or right +/-30°, and provides 5 speed levels (60s/m, 50s/m, 35s/m, 25s/m, 15s/m) for precise control, ensuring real time adjustments while shooting. The included ball head with a pan base and a U shaped notch for 360° rotation and 90° tilt angles. Note: Avoid starting the camera dolly at the 5th speed level when climbing slopes to prevent shaking