Quantity   Component name
2 × Sparkfun ESP8266 Thing
1 × 5V dual relay module <a target="_blank" rel="noopener noreferrer" href="http://www.amazon.co.uk/FACILLA-2-Channel-Module-Arduino-Electronic/dp/B009P04ZKC/">http://www.amazon.co.uk/FACILLA-2-Channel-Module-Arduino-Electronic/dp/B009P04ZKC/</a>