
IMOU Doorbell 3 Kit (4 MP Wi-Fi Video Doorbell) | IMOU
The IMOU Doorbell 3 Kit (DB-3EP-4M0W/DS3) is a battery-powered Wi-Fi video doorbell that comes with an indoor chime. Its 0.98 mm fisheye lens records 4 MP (1920 × 1920) with a 180° horizontal and 180° vertical view, so you see visitors from head to toe, and the chime rings inside the home, extends the Wi-Fi to the doorbell and stores the recordings on a microSD card.



Head-to-toe panoramic view: The fisheye lens covers 180° both horizontally and vertically, so the doorbell can show a person's face and a parcel on the ground in the same picture. The 4 MP (1920 × 1920) image keeps details clear across the wide view.
Wire-free with a 5000 mAh battery: The doorbell runs on a 5000 mAh rechargeable battery that charges over USB Type-C (DC 5 V 1 A), so it can be installed without running new cables. If you already have a traditional doorbell, it can also be hardwired to an 8–24 VAC (≥ 5 VA) supply. An auto power saving mode keeps the doorbell working when the battery is low.
Smart alerts: PIR motion sensing combined with AI human detection gives more accurate alerts, loitering detection notices people who stay at the door, and AI package detection tells you when a package has been delivered or picked up.
Two-way talk with variable voice: You can answer visitors from your phone through the built-in mic and speaker, use quick voice replies, and change your voice to protect your privacy. Infrared night vision keeps the picture clear up to 5 m after dark.
Indoor chime with Wi-Fi extender and local storage: The included chime plugs into a 100–240 VAC socket, rings with a choice of ringtones, and works as a Wi-Fi extender for the doorbell. It has the microSD card slot (up to 512 GB), so recordings are kept inside the home; cloud storage is also available.
Good to know
The doorbell connects over 2.4 GHz Wi-Fi only (IEEE 802.11b/g/n). The microSD card is not included and goes into the chime, not the doorbell. The battery charges between 0 °C and +45 °C.
What's in the Box
Doorbell, chime, chime plug, surface mounting bracket, USB charging cable, screw package, pin, installation position map, 2 × extension wire, 3 × wire nuts, jumper wire, 2 × 3M glue, quick start guide.
Technical Specifications
| Model | DB-3EP-4M0W/DS3 (Doorbell 3 Kit) |
| Image Sensor | 1/3" progressive CMOS |
| Resolution | 4 MP (1920 × 1920) |
| Lens | 0.98 mm fisheye |
| Field of View | 180° (H), 180° (V) |
| Night Vision | IR, up to 5 m |
| Video | H.265, up to 15 fps, 8× digital zoom |
| Audio | Built-in mic and speaker, two-way talk |
| Smart Detection | Doorbell call notification, PIR motion / AI human detection, loitering detection, AI package detection |
| Wi-Fi | IEEE 802.11b/g/n, 2.4 GHz (chime works as Wi-Fi extender) |
| Battery | 5000 mAh rechargeable; DC 5 V 1 A, USB Type-C |
| Optional Wired Power | 8–24 VAC, ≥ 5 VA |
| Doorbell Power Consumption | Up to 2.27 W |
| Doorbell Working Environment | -20 °C to +50 °C, < 95% RH; charging 0 °C to +45 °C |
| Doorbell Dimensions | 150 × 55 × 50.3 mm |
| Storage | microSD up to 512 GB (in the chime); cloud storage |
| Chime Power | 100–240 VAC, up to 3 W |
| Chime Working Environment | -10 °C to +45 °C, < 95% RH |
📄 Datasheet: Download the official IMOU DB-3EP-4M0W/DS3 datasheet (PDF)
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