Doorbell Camera G400 Select (Wired) – Smart video doorbell with AI human, pet and package detection, Wi-Fi 6, black (DB-C03D)

The Aqara Doorbell Camera G400 is Aqara’s advanced smart video doorbell that combines high-resolution video monitoring, smart event detection, and smart home integration. The device features a 2K resolution camera with a 165° ultra-wide diagonal viewing angle, allowing the entire area in front of the door—including visitors’ faces and packages placed on the ground—to be visible at once. The camera’s vertical field of view is 137°, providing excellent coverage of the entrance area while minimizing blind spots.

A key advantage of the G400 is that it is Aqara’s first video doorbell designed for continuous operation using PoE or wired power supply. This provides more stable operation than battery-powered models and enables 24/7 continuous video recording. The device supports Wi-Fi 6 dual-band connectivity (2.4 GHz and 5 GHz) and can also connect via Ethernet, ensuring stable and low-latency video transmission.

The built-in AI can recognize people, packages, pets, and various events. The system sends automatic notifications to the user and enables intelligent event management. Cloud-based AI services provide additional capabilities such as face and object recognition, while local AI processing ensures faster response times and improved privacy.

The camera features an IP65-rated housing, making it resistant to rain, dust, and changing weather conditions. The built-in microphone and speaker enable two-way communication with visitors. The system also includes an indoor chime unit that provides an audible alert when someone presses the doorbell.

The Aqara G400 integrates with a wide range of smart home platforms. It is fully compatible with Apple HomeKit and HomeKit Secure Video, and also supports Google Home, Amazon Alexa, and Samsung SmartThings integrations. Thanks to RTSP and ONVIF protocol support, it can also be connected to external systems such as NAS servers, VLC players, or Home Assistant.

Note: Matter support is currently under development.

The device also offers several additional features, including quick response messages, custom ringtone uploads, privacy masking zones, and anti-theft protection. Up to five indoor chime units can be connected to a single doorbell, making it suitable for larger homes or offices.

About the Aqara Brand

Aqara is one of the leading manufacturers in the global smart home market, offering innovative, reliable, and widely compatible devices. The brand’s products—including sensors, cameras, switches, locks, and hubs—can be integrated with the most popular smart home platforms such as Apple Home, Google Home, Amazon Alexa, and SmartThings. Aqara places strong emphasis on local automation, privacy protection, and reliable operation.

Main Product Features

• 2K HD video – Detailed image quality for clear recording of visitors and events.
• 165° ultra-wide viewing angle – Full vertical coverage for monitoring visitors and packages.
• PoE or wired power supply – Stable operation with continuous power.
• Wi-Fi 6 dual-band – Supports 2.4 GHz and 5 GHz networks for reliable connectivity.
• Local and cloud AI recognition – Identifies people, packages, pets, and events.
• IP65 weatherproof design – Designed for outdoor use.
• RTSP and ONVIF support – Integration with external video systems.
• Multiple indoor chimes – Up to five indoor receivers can be connected to one doorbell.

Smart Home Protocols and Platform Compatibility

• Wi-Fi: Wi-Fi 6 (802.11ax), 2.4 GHz and 5 GHz.
• Apple HomeKit: Supports HomeKit Doorbell and HomeKit Secure Video.
• Google Home: Compatible with Google devices with displays.
• Amazon Alexa: Video display supported on Alexa screens.
• Samsung SmartThings: Integration supported.
• Home Assistant: Supported via RTSP and network integration.
• RTSP / ONVIF: Compatible with external video management systems.
• Matter: Matter support is not yet available but currently under development.
• NAS support: External network storage supported.
• RTSP stream: Video streaming to external systems.

Smart Features

• Human detection: Automatic notifications when visitors arrive.
• Package detection: Alerts when a package is placed at the door.
• Pet detection: Identifies pets near the entrance.
• Quick response messages: Playback of pre-recorded voice messages.
• Custom ringtone: Upload MP3 files via the app.
• Do Not Disturb mode: Temporarily disable notifications.
• Privacy zones: Mask up to three selected areas.
• Anti-theft protection: Lost Mode feature.

Additional Features

• Protection: IP65 dust- and water-resistant housing.
• Two-way audio: Built-in microphone and speaker.
• Indoor chime unit: Adjustable volume and ringtone.
• Tamper alarm: Notification if the doorbell is removed from its mount.
• Local storage: MicroSD card support up to 512 GB.
• Continuous recording: Supports 24/7 video recording.

Technical Specifications

• Product name: Aqara Doorbell Camera G400
• Video resolution: 1536P (1536 × 2048)
• HomeKit resolution: Maximum 1200 × 1600 when using Apple HomeKit
• Additional video modes: 960P (960 × 1280), 480 × 640 for lower bandwidth
• Video compression: H.264
• Camera field of view: 165° diagonal
• Focal length: 2.18 mm
• Aperture: F2.2
• Night vision: Infrared illumination
• IR wavelength: 940 nm
• Night vision distance: approx. 5 meters (human figure recognizable)
• Audio communication: Two-way audio
• Microphone: Built-in
• Speaker: Built-in
• Wi-Fi dual-band: Wi-Fi 6 (2.4 GHz and 5 GHz)
• Wi-Fi standard: IEEE 802.11 a/b/g/n/ac/ax
• Ethernet: 10/100 Mbps RJ45
• Power supply: 8–24V AC or DC wired power (8–24V AC, 1.3A 50/60Hz or 8–24V DC, 0.8A)
• PoE: IEEE 802.3af
• Local storage: MicroSD card (max. 512 GB)
• NAS support: Yes
• Cloud storage: Aqara Home Guard service (first three months free, subscription required afterward)
• Control: RESET button (network reset / factory reset)
• Operating temperature: -20 °C ~ +50 °C
• Operating humidity: 0–95% RH (non-condensing)
• IP rating: IP65 dust- and water-resistant
• Indoor chime power supply: DC 5V / 1A
• Connector: USB-C (Type-C)
• Built-in tones: 5 selectable ringtones
• Indoor chime operating temperature: -10 °C ~ +40 °C
• Indoor chime humidity: 0–95% RH (non-condensing)
• Indoor chime buttons: Music button (short press: change ringtone)
• Volume button: Short press to adjust volume
• Camera dimensions: 140.97 × 52.97 × 32.92 mm (without backplate)
• Indoor chime dimensions: 60.42 × 60 × 23 mm

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