Review on 📸 YELANGU Motorized Autodolly Video Slider with Remote, Rechargeable, 3 Speed Adjust for GoPro and iPhone Cameras, weight capacity up to 3kgs (Black) - Enable Straight-Line & Surrounding Object Shooting by Calvin Hodges

I like that the curve, speed and direction can be controlled. I don't like that the surface underneath has to be almost perfectly smooth and flat for it not to snag. Ideal for situations where you can use your own or find a flat and smooth surface but difficult to use outdoors and in natural settings.