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Hydrao Smart Hand-Shower

With an array of water sensors, the Hydrao shower head keeps track of every single litre of water you use, and employs an LED light system to indicate if you’re over-douching. Green lights mean you’re in the safe zone, and red mean it’s about time you dropped the mic and rinsed out the last dregs of shampers, because you’ve hit the 50 litre mark.

Hydrao has a Bluetooth chip so that you can track and personnalise your water consumption entirely through an app on your phone. Watch out though, because this could be the start of a serious water-tracking obsession.

Not only does the app let you track your water usage and alter the threshold at which the LED lights turn red, but it also encourages a touch of healthy competition. Basically, this means you can shame the rest of your family by beating their water consumption best score and earning the title of top water saver. A noble feat indeed.

Winner of CES 2016 Innovation Award.