Questions about Hikvision DS-2CD2186G2H-ISU(2.8mm)(eF) Dome 8MP Easy IP 4.0

To keep the cables dry, you need a junction box that is suitable for outdoor use. For the Hikvision DS-2CD21xx series dome cameras, the Hikvision DS-1280ZJ-DM18 junction box is often recommended, which is made of aluminium and painted black. However, this box is specifically designed for the DS-2CD21xx series and it is not clear if it is directly compatible with your model. For an exact recommendation, it would be helpful to check the specific requirements of your model or ask the manufacturer directly.

These mounting brackets are compatible https://www.digitec.ch/de...

There is no licence requirement. You can check the compatibility with your Synology NAS on the following page: https://www.synology.com/de-de...