The Relay Shield allows you to control any normal outlet or high voltage product from anywhere. 240VAC is lethal. Do not use this product unless qualified to do so.
Can I use this to turn lights on and off in my house? The description says 250V AC (which would appear to work) but then it says max current 10A at 125V AC. Could someone please explain the difference? How many watts of power can I run if controlling a light attached to the mains please?