We bought ours from RS Components but I’m sure they’re available elsewhere too. With 1000hr battery backup it means you don’t lose all your settings the moment you unplug it from the socket. It allows up to 6 switchings (on & off) per day, for a total of 42 over 7 days. They’re even made in the UK. On a large commercial espresso machine the savings this timer is likely to generate for you on your electricity bill will ensure a short payback period on your outlay.