timer control

I have an external power socket in an IP65 (?) box. This is supplied from an internal fused switch to cut power to the socket - that I often forget to switch off. Just because I can ( or might be able to) can I add some kind of "inline" smart switch, controlled by Bluetooth or WiFi, so I leave...

Hi, I recently moved into a new house, there is a Valiant Ecotec Pro 24 combi which as no timer control on the front panel and a 3rd gen Nest Heatlink connected, but no thermostat (I am assuming the seller took this with them). Currently I am getting by by using the big button on the heatlink...