Height freely adjustable, suitable for a variety of scenes Lifting range: 0.8-1.5 metres, meet different height requirements for living room ceiling, desktop projection, outdoor camping, etc; Hidden alignment design: hollow structure of the bracket, support HDMI/power cable embedded, say goodbye to messy cables. 360 omni-directional rotation, projection without dead angle PTZ Rotation: Horizontal 360 rotation + vertical 90 pitch adjustment, accurately calibrate the projection screen, no need to move the bracket repeatedly; Locking knob: one key to lock after adjustment, stable and not shaking, avoiding the screen shift. Super load-bearing capacity, compatible with full-size projectors. Universal interface: 1/4 inch international standard screw holes + adjustable tray diameter 15-30cm, compatible with projectors with hanging holes or without holes. Solid structure design, safe and anti-tipping Triangle mechanics base: thickened steel plate + non-slip silicone pads, centre of gravity shifts down, 40% more stable; Weightable design: the base is reserved for the installation of weighted blocks, outdoor windproof more at ease. Quick installation, even a beginner can get started Modular assembly: 3 steps to complete the installation, comes with a free installation kit; Detailed tutorial: scan the code to watch the video version of the installation guide, 10 minutes to get it done. Applicable scenes Home theatre: living room ceiling projection, bedroom bedside side projection; Business office: conference room presentation, training classroom multi-angle projection; Education and training: school multimedia classroom, training institutions interactive teaching; Outdoor camping: grass film night, open-air activity projection.