Plug-in mains electricity meter at Maplin for £7.99 (plus £2.99 delivery, or instore).
Use around the house to work out where your money's going!
* Monitor energy consumption from any appliance plugged into a socket
* Great for seeing how much power your appliances are consuming
* Can display the cost of electricity and power used
* Large LCD display
* Set up in less than 2 minutes
* Up to 9 different types of data displayed
* Memory function
* Maximum current 13A / maximum power 3120W