The Philips hue line up of smart yet analogue in appearance switches are possibly the Omega of home light automation
https://www.philips-hue.com/en-us/explore-hue/works-with/smart-switches
Hello @ orange.
The second option pertains to shipping via post.
We would not recommend this method as your parcel will be undoubtedly lost using the south african postal services.
The DHL route is quick and convenient, well mostly quick
You might experience problems with using a 1 for a ventilation fan automation though,
Motors generate power when turned off which will interfere with the relay's ability to close circuit as it lacks reverse power protection
Procedure for wiring would be per the instructions leaflet in the box.
Neutral to N
Live to L
Appliance (output to O)
Ignore the small + & - as this is intended for DC wiring
https://shellyzadocuments.s3.af-south-1.amazonaws.com/Shelly+2%2C5.pdf
Shelly 2.5
Twice the compatibility with 2 x contacts (2 x 2300w/10 amp load)
Useful for pool pump and light combination