Aqara Smart video door bell G4The Aqara G4 is a unique video doorbell that can be cable connected or battery operated. With built-in AI-based face recognition algorithms, your customer can tag the faces of their family members and frequent visitors at the Aqara Home APP to reduce false alarms and notifications. With the 24/7 1080P FHD recording your customer can check at any time, WAS has been passed at his front door. In addition to the free event-based cloud memory included with the delivery for up to 7 days, the bell repeater also supports micro-SD cards up to 512 GB, which cannot be accessed externally. HomeKit, Alexa, Google Assistant, IFTTT are supported.Installation: The outdoor bell can be mounted on the wall, the indoor unit can be mounted on the wall or placed on a level floor.Language change option: The G4 has a unique dialog technology for language switching. It is something very special in the category of video doorbell rings. The user can change the voice of the intercom