SIE-169100-G Silver Ticket 16:9 4K Ultra HD Ready HDTV in-Ceiling Electric Projector Screen (16:9, 100", Grey Material)

please consider using a professional home theater installer before beginning installation installation requires cutting into your ceiling improper installation can cause physical damage to your home and body but we're not to cut any load bearing supports water or electric lines in ceiling electric screen installation tutorial some of the contents you will find in the box include plastic covers mounting brackets the mounting hardware threaded rods The Adjustment hex tool and the wiring for the infrared sensors first we need a measurement of the length of the screen including the plastic coverings we use that measurement minus 3/4 of an inch to cut our hole the other dimension of the hole will be five and a half inches once you have your measurements write them down my length was 123 and 1/4 inches the hole will be 3/4 of an inch is smaller each house is different I decided to send the sc