The AXIS-01757-001 is designed for indoor drop ceiling installations for a wide range of Axis fixed dome network cameras. The recessed mount supports the optional use of an internal microphone (sold separately) when installed with selected camera series. The enclosure is made of metal alloy with both 1/2" (M20) and 3/4" (M25) conduit holes for protected cable routing, making it suitable for installation in air-handling (plenum) spaces.