'Google's £229 (€279) video doorbell is now on sale in Europe.
Named Nest Hello, the smart doorbell uses facial recognition technology to identify and greet visitors.
It then sends you a voice or text notification so you know who is outside.
If you're not at home, Nest Hello lets you see and talk to visitors using the microphone in your smartphone.
It can also double up as a security camera to tell you if strangers are lurking nearby.
The device connects to Wi-Fi and records around the clock using a wide-angle, high definition camera with night-vision and HDR (High Dynamic Range) capabilities.
Available to order today, Nest Hello will start shipping in mid-June. It is already available in the US after launching in March for $229.
The Nest Hello goes head-to-head with rival smart doorbell company Ring, which is owned by Amazon.
One of the main differences between the two products is the inclusion of facial recognition on Google's Nest Hello doorbell.
Nest Hello uses artificial intelligence (AI) to detect people as they approach a house.
The smart doorbell can be trained to identify friends and family and send a notification with their name when it detects they have arrived.
Nest Hello is fitted with a microphone and a speaker, which enables owners to engage in a two-way conversation without opening the door.
As well as the traditional ding-dong ringtone, Nest Hello owners will be able to choose from a variety of pre-programmed messages, including: 'You can leave it, thanks' or 'we'll be right there.'
Read more: Google launches its £229 video doorbell in Europe that uses facial recognition to greet visitors and warns you if a stranger is lurking outside
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