MIDLITE R2SP-W SpeedPort Universal Cable Pass Through & Anchor System White Flat-to-surface Installation For Any Cable Pass-through Application Mounts Wireless Devices & Dome Cameras To Ceiling Features A Hang Wire Through Hole For Acoustical Ceiling Installation Easy To Install Using A Hole Saw & Phillips Screwdriver Flexible Rubber Grommet Remains Closed Where Wires Are Not Present