There are plenty of fancy motorized sliders on the market that enable filmmakers to capture more cinematic sliding shots. Looking for an affordable one that can be controlled with your phone? The ASHANKS SmoothOne 47″ Motorized Slider is worth a look. It can be controlled with your iOS/Android device and lets you produce higher quality timelapses, wedding/product videos, and slides in general.
The SmoothOne features a high load bearing base and smooth rollers. It has a 24mm carbon fiber rail that can support loads up to 44lb. The legs are adjustable too.[where to get it]