Reference:
TVMI-PM2
"TruVision Pendant Mount Bracket for Multi-Imager, 200mm/7.87"". Compatible with Truvision multi-imager TVS-5101 camera. Aluminum alloy material with surface spray treatment. The TruVision TVMI-PM2 Pendant Mount Bracket Allows you to mount the TVS-5101 multi-imager camera on the ceiling.Physical dimensions: 116.5 x 200 mm."