FeaturesFull HD video with 160-degree viewing angleCompatible with iOS / Android2-way audio communicationAlert-zones and motion detectionInfrared night vision & weather resistant design (IP44)Your Netatmo Smart Video Doorbell lets you see and speak to visitors, even when you\'re not home. A visitor or delivery person rings the bell? Watch a video of them on your smartphone and talk to them live, whether you’re at home or on the other side of the world.Protect your home with your Smart Video Doorbell. The person detection and Alert-Zones features prevent unnecessary alerts: receive real-time notification via your smartphone when someone is acting suspiciously outside your door, in the areas you want to monitor. Is it a would-be intruder? Scare them away using the built-in speaker.No hidden costs after purchase. All the Smart Video Doorbell features along with video storage are available without subscription at all times. View videos of people who have rung your bell and anything that has happened outside your door directly in the app. App upgrades and additions are free and always will be. The Netatmo Smart Video Doorbell is easy to install since it adapts to most electric installations (8-24 V & 230 V). Smart and straightforward – that’s the thinking behind its design. If you already have a wired doorbell with a chime, simply replace the bell and keep your current chime. Then connect the doorbell to your Wi-Fi.Your data is fully secure: videos are stored locally directly on the Smart Video Doorbell\'s microSD card and benefit from high-security encryption for maximum protection. You can also back up your data by adding automatic storage to the cloud via Dropbox or FTP server.See who\'s at your door, 24 hours a day. Your Smart Video Doorbell’s built-in infrared vision shows you what’s happening on your doorstep, even in the middle of the night. Visitor, would-be intruder or prankster? Keep informed in real time and protected at all times.  Enjoy incredible video image quality with the Smart Video Doorbell’s 1080-pixel Full HD camera. The HDR feature also reduces sudden changes in light. The result? A clear view of what is happening outside your home, even when your visitor’s face is backlit.  Your Netatmo Smart Video Doorbell is fully weatherproof. The IP44 certification and HZO technology with innovative nanofilm protection against rain, snow, humidity, dust and dirt guarantee the integrity and proper functioning of your equipment whatever the weather.The Netatmo Smart Video Doorbell is the only bell able to alert you if someone tries to disable it. Receive an immediate notification on your smartphone. Seen an intruder? Use the speaker to scare them away.  Your Smart Video Doorbell has hidden talents! If you\'re comfortable with technology, create scenarios with other smart devices via Apple HomeKit, and use voice control to take advantage of Siri compatibility.