The B-Tech BT-883 Universal Projector Ceiling Mount with adjustable drop is is an "ultra-Flexible" mount that is designed to fit virtually all LCD & DLP projectors up to 22 lbs. Unique carrousel mount makes installation simple. Adjustable drop from 30" - 48" with cable management through the down pole. Ceiling plate has up to 140 degree of adjustment for use on angled and cathedral ceilings (plate dimensions: 8" x 8"). full 90 degree tilt and 360 degree swivel allows for easy aiming of projector on all axis. Suitable for projectors with M4, M5 or M6 mounting points with a maximum distance between any 2 points of 13 1/2 ". Steel Safety wire supplied, cover for ceiling plate to hide mounting hardware. Open air circulation design for longer projector bulb life. All mounting hardware included.