Videotec NVX220W01A Manuel D'instructions page 19

The sunshield must be removed in the
ceiling installation option.
Fig. 15 Example of ceiling installation, vertical rotation, 0°.
Fig. 16 Example of ceiling installation, vertical rotation, -90°.
MNVCNVX_2110_EN
The product can be anchored with a chain or a metal
wire to prevent the camera falling in the event the
support fails. For this reason, the hole can be used as
shown in the figure (Fig. 17, page 17).
Fig. 17
17