This is a lantern stand from 5050WORKSHOP. It's the S size. You can attach a lantern by securing it with the camera screw located under the lantern. It's compatible with 5050WORKSHOP lanterns and 38灯, etc. Size: S 32 x 32 x 150mm (when folded) 65 x 185 x 165mm (when in use) The screw size can be converted between 1/4 screw and M10 by attaching/detaching the adapter.