Retractable wall pole provides flexible height adjustment and enables precise viewing angle tuning while keeping the mount stable and durable. Compatible with 3hole or 4hole projector panels. The diagonal hole spacing accommodates up to 13.77 inches, and the jaws can be adjusted and fixed arbitrarily to fit different panel layouts. Claw piece features telescopic adjustment and a thickened disc design. The claw extends and rotates, allowing quick adaptation to various projector hole configurations. Base mounting design with hole center spacing of 3.54 inches by 7.08 inches. Includes expansion screws for secure installation on solid walls in different rooms. Use scenarios: Home theater: mount a projector on a solid living room wall, adjust height and angle for screen alignment. Office conference room: versatile mounting for different projector models and panel patterns, enabling flexible presentation setups. Classroom or training space: quick adaptation to multiple projectors and layouts, ensuring clear visibility from various seating arrangements.