Mounting compatibility and installation: 6mm M6 screw diameter. Upgrade the thread adapter to increase friction and make installation easier. Better materials: Ceiling or wall projector mount uses thicker aluminum alloy for stable support. Well built and reliable. Extendable length: Extends from 40 cm to 80 cm, providing flexible projection distance for various room sizes. mount for LCD, LED, and DLP projectors. Full motion adjustability: 360degree rotation with 120degree angle adjustment at the pivot ball. Upgraded larger ball for better angle fixation and improved projection view. Versatile mounting options: Designed for ceiling or wall installation; compatible with LCD, LED, and DLP projectors. Use scenarios Home theater or living room: Mount above seating to optimize screen placement, while the extendable pole and full motion allow precise alignment and easy adjustment for different viewing angles. Classroom or training room: Wall or ceiling mount saves space and enables quick reorientation for different seating layouts or presenter needs, with stable support and smooth angle control. Small office or conference space: Flexible rotation and tilt support, enabling projection onto different surfaces or walls for varying audience positions and presentation formats.