Teaching Online Stand: Avoid shooting shaking and screen blurred. Ideal for Live Streaming and flat or vertical shooting for cooking and drawing. Wide Compatibility: Equipped with 1/4’ Screw and phone clamp, fit for webcam, pico projectors, miniature cameras and cellphone.(Max W: about 0.7lb with smallest angle) Adjustable Height and Angle: Height from 8’ to 16’. Angle from 30 degree to 90 degree. Use the screw to tighten the ball bearing to the want angle. Sturdy and Stable: Cast steel base and aluminum alloy rod make the stand sturdy and reliable. Anti-Slip by skids under the base. Easy to install: Just assemble the parts and get the complete product simply. Please refer to the 6th photo for installation steps.