This Wall Switch allows you to switch off appliances remotely when not in use. For use with any Bye Bye Standby Socket or Lamp Dimmer, the energy saving switch can control individual or a group of devices. The wall switch has a working range of up to 30 metres and can work through walls and ceilings. According to the Energy Saving Trust, UK households now spend approx 10% of their electricity bill on standby power with the average household wasting nearly ￡40 a year! So, save money and be eco-friendly by saying bye bye to standby today. Product Advantages: Save money by switching off devices in standby mode Prevents release of unnecessary carbon emissions Simple to install No risk of fire Convenient