1. Projector retractable desktop stand, 360 ° tilt rotation, diameter 20cm thickness 5mm 2. Dimensions: (L×H) 11.8×19.6in 3. Aluminum alloy main rod, stainless steel edging base, up and down adjustable telescopic lock, 30CM --- 50CML integrated elbow is strong and durable 4. It can be hoisted or top-mounted and installed at will, and the tray/adapter plate projection comes with it. 5. Easy to install, it can be installed in a few minutes, and girls can also do it independently