filbertqay The box shown in the product images even says steel wire on it.

filbertqay What about it?

filbertqay No, but when there is thunder, it won't run around the living room (in circles) whilst howling incessantly before doing a piss on the rug then hiding under the dining table, like you dog will.

filbertqay One is a probe than works best when inserted into something (eg the ground, water, etc) the other is an ambient sensor that should be left in a given space and it reads the temp & humidty of the air flowing into it.

filbertqay They fit most devices but require you to take the Sonoff out of its plastic case. However, the packaging it woefully inadequate and they get smashed in the post, EVERY TIME. Buy it somewhere else.

filbertqay It tells you in the description. 1 pad.

filbertqay This is a Sonoff device, it uses the ewelink platform. However, there is a custom integration for Sonoff/eWelink available on github for Home Assistant

filbertqay it's an EU plug so it works with all countries that adhere to that standard