Screw Adapter: With standard 1/4in and 3/8in screw holes on main body, can be used with various types of ball head, mobile phone clip and camera with the included 1/4in and 3/8in screw adapter. | Phone Clip Description: Phone clip is made of aluminum alloy, durable, has cold shoe base, can be installed to fill light, microphone and other devices. Knob can adjust the clamping width of phone clip, range of 6.5‑8.5cm/2.6‑3.3in. | Compatible Devices Maximum load bearing is 3KG/6.6lb, can be used for SLR camera, mirrorless camera, mobile phone, motion camera, suitable for Vlog, video shooting. | Powerful Feature: Wireless remote control with a distance range of 6m/19.37ft, support 3 speed gear adjustment, can use straight line shooting, support forward and backward moving, similar to electric slide, can achieve curve shooting, 360° uniform rotation shooting. | Wide Use: Can work on the horizontal ground, desktop, suitable for a variety of scenes, flexible use; Also has a compact size, foldable design makes the dolly portable.