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The Aqara Doorbell Camera G400 is a wired video doorbell with a 2K sensor and a 165° head-to-toe view in a 3:4 frame, so you see faces and packages on the doorstep in one shot. It runs on existing 8–24V AC/DC doorbell wiring or PoE and connects over dual-band Wi-Fi 6 with WPA3. Its standout is ecosystem reach: HomeKit Secure Video, Alexa, Google, SmartThings, plus RTSP/ONVIF and NVR support. That makes it more flexible than most rivals, which usually lock you into one platform. HomeKit users trade resolution down to 1200p, and it needs constant wired power, so it suits owners replacing an old wired doorbell rather than renters or battery-only setups.
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Rated 5 out of 5 across 96 ratings, buyers are positive about the G400. They highlight the tall head-to-toe view and the broad ecosystem support as the main reasons to pick it over single-platform doorbells.
The Aqara Doorbell Camera G400 is a wired video doorbell with 2K HD video and a 165° ultra-wide field of view. Its 3:4 aspect ratio gives a vertical view, from packages at your feet to faces at the door. Nearly invisible 940nm infrared LEDs capture video in total darkness.
It runs on PoE or on existing 8-24V AC/DC doorbell wiring, and connects over 2.4GHz or 5GHz Wi-Fi 6 with WPA3 security. It does not work with an existing traditional chime. A plug-in chime for indoor alerts is included. The IP65 rating covers dust and water resistance.
Person recognition and zone intrusion detection run locally, with no cloud processing. Visitor face recognition and cloud package identification are also included. When someone rings, you can answer with custom quick replies or the voice-changing intercom.
