Technology companies really seem to be getting to grips with the idea of "green gadgets" and "carbon footprints" this year, but we could all be doing more to help. Step forward the Wattson, a lovely looking device that could help you save money as well as the planet.
Simply clip its transceiver to the cable between your electricity meter and your fuse box, and the wireless Wattson will display the amount of electricity being used in your house in real-time. It's frightening to see the read spike and then plummet as you turn light switches, televisions and kettles on and off. It will even display an estimate of your annual energy bill. With its compact dimensions and lovely, glossy white finish, the Wattson suits even the most minimalist decor, and you can enable LED warnings to give you a visual clue of sudden spikes in energy use: it glows red when energy use is high, and blue when it is low.
There is even an online community of Wattson users: hook your device up to your computer's USB port to download a record of your energy use, calculate how you could save money on your energy bill, and see how your energy consumption compares to other Wattson owners. Educational and illuminating
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