you know the sort - you clip onto your power supply and see how much you are spending at any one time depending on how many appliances you have switched on.
Which should I buy? One like this? Is there anything I should know before buying?
http://cgi.ebay.co.uk/The-Owl-Wireless- ... 240%3A1318
Which should I buy? One like this? Is there anything I should know before buying?
http://cgi.ebay.co.uk/The-Owl-Wireless- ... 240%3A1318
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