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One of the best-looking video doorbells on the market, Netatmo’s waterproof wired design will alert you to any visitors, offering up full HD video quality and good night vision direct to your smartphone. You can talk to people if you’re not there – or otherwise engaged – and clever ‘people detection’ differentiates between someone and the nosy neighbourhood cat, keeping false alarms to a minimum. Best of all, you get all these features with no additional subscription cost and video can be saved onto a built-in memory card. Netatmo Smart Video Doorbell, £269.99, netatmo.com