VADDIO 999-2225-050 IN-Ceiling Half Recessed Enclosure for HD-20/19/18 PTZ CamerasFor mounting the ClearVIEW HD 20, HD 19 and HD 18 cameras halfway into a ceiling tile. KEY FEATURES: Metal back box and white metal trim ring included Active IR circuit in trim ring and enclosure Tile support brace included The IN Ceiling Half Recessed Enclosure Includes: Shallow, Sealed Metal Back Can with Bezel Ring, Back Box Lid and Internal IR Emitter Board White Trim Ring with IR Receiver with Cable Attached One piece Tile Support Brace 3 4"