COVERT 3.6MM SMOKE - 2MPRealistic PIR Cases TVI, CVI, AHD or Analogue Output 3. 7mm Pinhole Lens Wall Bracket Included Probably our most popular style of covert camera as it is so easy to fit and suits most rooms. Using the bracket supplied, this design is simple to fit in the corner of a room just like a normal burglar alarm detector. You can then adjust the camera direction that you are trying to achieve. Available in Budget, Standard and Pro models.