Doorbell Camera G400 (Wired)
Non-Stop Protection Fro2m Face to Floor.
2K Clarity. Head-to-Toe View.
Experience enhanced security with Aqara Doorbell Camera G400 (Wired). Crystal-clear 2K video quality with a 165° ultra-wide view, capturing every detail both day and night.
2K Clarity. Head-to-Toe View.
Head-to-Toe Visibility
Head-to-Toe Visibility
Its 3:4 aspect ratio offers head-to-toe visibility, making it easier to check package and prevent porch piracy.
165° Wide View
165° Wide View
With a 165° diagonal Field of View, the G400 captures your entire doorway, reducing blind spots.
IR Night Vision
Equipped with subtle 940nm infrared LEDs, this doorbell captures full high-definition video in total darkness.
Brightness Tuning
With flexible video brightness tuning, you always get a clear image of faces and packages without them appearing washed out or too dark.
Hardwired Power, Choose Your Way
Choose PoE for maximum stability, or existing wiring as a convenient alternative, with both delivering reliable, battery-free performance.
Robust PoE Performance
Maximize stability and network reliability with PoE. A single Ethernet cable delivers both power and data without any additional wiring needed.
Existing Doorbell Wiring*
Use your home’s existing low-voltage doorbell wiring (a wide range of 8–24V AC/DC) for 24/7 continuous power supply, making installation fast and hassle-free.
*Does not work with your existing traditional chime.
**Images are for illustration purposes only.
Hardwired Power, Choose Your Way
Choose PoE for maximum stability, or existing wiring as a convenient alternative, with both delivering reliable, battery-free performance.
Motion Detection
Person Detection
Zone Intrusion Detection
Hardwired Power, Choose Your Way
Instant Video Call
Instant Video Call
When a visitor presses the doorbell, your phone receives an instant front-door call. See who’s there and talk back in real time, no matter where you are.
Quick Reply Keeps Nobody Waiting
Quick Reply Keeps Nobody Waiting
If you don't wish to respond live, three preset quick replies let you communicate with visitors in seconds. You can also set customized responses to handle specific situations.
Your Ring, Perfectly Timed
Your Ring, Perfectly Timed
You decide how many times your doorbell rings upon pressing. Never miss a visitor. Never over-ring.
Flexible Chime, More Convenience
Flexible Chime, More Convenience
You choose to use your doorbell with or without a chime, pairing or unpairing anytime to match your space. Ringtone and volume are all adjustable using its on-device buttons.
Mount It Your Way
Mount It Your Way
Includes both adhesive and screw-mount options, plus a 15° wedge bracket for flexible positioning and easy adjustment.
Works With Your Favorite Smart Ecosystem
HomeKit Secure Video Support
Works directly with the Apple Home app, letting you view live video, receive notifications, and talk to visitors using two-way audio on your Apple devices.
Home Assistant Compatible
For users who prefer full customization, the doorbell also supports Home Assistant via RTSP and ONVIF integration, enabling more possibilities.
Stream to Your Smart Displays
Effortlessly stream a live view of your doorstep to Google Home, Alexa, and SmartThings-compatible smart displays for convenient monitoring.
*To use the device with HSV, an iCloud+ plan, and an Apple home hub are required.
**Within Apple Home, the resolution is limited to 1200p.
Always On, Recording 24/7

With a microSD card of up to 512 GB, the doorbell camera offers 24/7 continuous recording.


  • NAS Support: Back up the local recordings to your SMB NAS server automatically.

  • ONVIF Support: Can be used with regular kind of NVRs and apps, rendering interoperability with other ONVIF compliant devices or software.

*24/7 continuous recording and NAS Support require inserting a microSD card (not included).
Always On, Recording 24/7
Smarter Protection, Powered by HomeGuardian
With a HomeGuardian plan (free trial included, paid plan required after trial), your doorbell gains advanced cloud-based features.
Comprehensive AI Cloud Detections
Go beyond limited local detection. Cloud AI detects faces, animals, packages, and vehicles to tell you precisely what's happening.
Secure Cloud Storage
Store your recordings in the Cloud for up to 90 days and protected with end-to-end encryption, keeping your videos private and secure.
AI Video Seach & Summary
Never scrub through hours of footage again. AI helps you search and summarize events so you can quickly review what happened.
Actionable Rich Notifications
Each alert includes a snapshot image, letting you preview the event directly from your phone notification.
Excellent Aqara Home Features
Comprehensive AI Cloud Detections
Go beyond limited local detection. Cloud AI detects faces, animals, packages, and vehicles to tell you precisely what's happening.
Secure Cloud Storage
Store your recordings in the Cloud for up to 90 days and protected with end-to-end encryption, keeping your videos private and secure.
AI Video Seach & Summary
Never scrub through hours of footage again. AI helps you search and summarize events so you can quickly review what happened.
Actionable Rich Notifications
Each alert includes a snapshot image, letting you preview the event directly from your phone notification.
IP65 Weatherproof
Built to withstand rain and dust, so your doorbell stays reliable outdoors year-round.
Tamper Alarm
Triggers a loud alarm if someone tries to remove or interfere with the doorbell. This feature is off by default.
2.4/5GHz Dual-Band Wi-Fi
Supports both Wi-Fi bands to deliver a more stable and flexible connection.
Wi-Fi 6 Performance with WPA3 Security
The latest Wi-Fi standards provides faster speeds and enhanced wireless security.
Create Automations to Make Your Home Smarter
Quick Reply on Auto Pilot

WHEN The doorbell is pressed after 23:00
AND Absence in living room (state)
THEN Play custom quick reply: "We are asleep. Please leave a video message, and we will get back to you in the morning" at 20% volume.

Intelligent Pathway

TIME: before bedtime (18:00-23:00)
WHEN Doorbell detects an entry into the set zone
THEN Set camera spotlight brightness to 80%
WHEN Doorbell detects an exit from the set zone
THEN Set camera spotlight brightness to 10%

Tech Specifications
ModelDoorbell Camera G400 (Wired): DB-C03E
Doorbell Camera G400 Select (Wired): DB-C03D
DimensionsDoorbell Unit: 140.97 × 52.97 × 32.4 mm (5.55 × 2.09 × 1.28 in.)
Chime: 60.42 × 60 × 23 mm (2.38 × 2.36 × 0.91 in.)
Video Resolution1536 × 2048
Viewing Angle165° (diagonal)
ConnectivityEthernet, IEEE 802.11 a/b/g/n/ac/ax Wi-Fi 6
PoE InputIEEE 802.3af (48V)
Power Input8-24V AC, 1.3A 50/60Hz or 8-24V DC, 0.8A
Operating Temperature-20°C~50°C ( -4°F ~ 122°F)
Operating Humidity0 ~ 95% RH, no condensation
What is in the BoxDoorbell Camera G400 (Wired) x 1, Chime x 1, User Manual x 2, USB-C Charging Cable x 1, Wall Screws & Anchors Kit x 1, Mounting Plate x 1, 15° Wedge x 1, Sealing Plug x 2, Detaching Pin x 1, Extension Wires Kit x 1, Mounting Hole Template x 1