A light switch is the simplest of electrical devices. Flip the switch, electricity flows. Flip it again, electricity stops.

The best smart switches let you control your lights and any other device in your ... Controlled by an app or voice assistant, it’s a versatile way to add smart functionality to almost any ...

"I've always wondered why you have two ... light in the bathroom. Fahmi Othman, 26, from Malaysia, asked us to enlighten her about this British quirk that baffled her on annual visits to the UK.