Gadget of the Day: The Wattson

If you find the streetlights outside dimming every time you turn on your TV it might be time to invest in this clever, ingenious device.Dubbed the The

If you find the streetlights outside dimming every time you turn on your TV it might be time to invest in this clever, ingenious device.Dubbed the The Wattson, it keeps a watchful eye on your 'leccy consumption, giving a digital readout and glowing in appropriate hues – blue for dolphin-friendly low power use and red for snow-cap melting, national-grid jeopardising, high energy usage.How does it work? Elementary dear gadgeteer. By clipping a small transceiver onto your meter box – that whirring, spinning thing in the basement with the numbers – Wattson can keep direct tabs on how much electricity's being used. Switch off your devices one by one and you can see exactly how much your TV's stand-by mode is draining – and how much it's costing you.It'll even hook up to a PC via USB and send its data back to the Wattson mother ship to calculate just how much energy the Wattson global community has saved. Makes you feel all warm inside, don't it?EssentialsThe WattsonPrice: £150On sale: Now Contact: FireboxRelated stories:Standby for a greener SkyPC World's tree hugging green machineGo green with FreeLoading charger