I needed to measure the energy consumed by my CCTV with integration to my Home Assistant setup. So I used a Shell PM device I had.

This is a universal  mains socket with Shelly PM Mini Gen 3 metering module.

Socket Type : https://tr.aliexpress.com/item/32953017017.html?search_direct=true&spm=a2g0o.productlist.0.0&gatewayAdapt=glo2tur