Local Security*, No Monthly Fee**
Footage is stored locally with a microSD card (not included) up to 128 GB with no subscription fee. With Homebase S380 (sold separately), you can enjoy up to 16TB of expandable storage, keeping your privacy securely in your hands.
Centralized Security with HomeBase
Safeguarding your data and privacy, HomeBase S380 equips your devices with self-learning AI for intelligent management and facilitates effortless control over group settings, compiles footage when it detects movement across your cameras, creating a unified event overview.
What chimes can Video Doorbell C31 pair with?
The Video Doorbell C31 pairs with your existing chime, eufy HomeBase S280, S380, MiniBase Chime (T8023), Alexa.
Note: It is not compatible with the original eufy Wi-Fi Chime (T8020), eufy Chime (T8740/T8742), or Apple HomeKit.
Is Video Doorbell C31 compatible with HomeBase 3?
Yes, it is compatible with HomeBase 3. This setup provides expandable local storage, enhanced AI functionality, cross-device features, and more.
Why is my doorbell not working properly after binding?
Ensure you have the latest app (version 5.0.22 or above) and check if the doorbell has received the latest software update.
Will Video Doorbell C31 support pre-record and 24/7 recording? Will my existing chime still work?
Yes, C31 supports pre-record and 24/7 recording functions when powered by a 16-24V transformer (bypass chime). 24/7 recording is unavailable with HB2/Minibase, so use Solo or connect it to HB3 to enable this feature.
Why does my doorbell still show low battery or a decrease in battery level even after being wired?
Using Existing Chime charges the doorbell slowly (6-7 days). High foot or vehicle traffic may still drain the battery. We recommend switching to "Bypass Existing Chime" mode.
eufy Security Video Doorbell Camera Series
 Video Doorbell C31 |  Video doorbell E340 | Video Doorbell C30 |  C31 with Extal Chime |  C31 with Extra HomeBase 3 |  E340 with Extra Chime |  E340 with Extra Battery | |
|---|---|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — | — | — |
Price | — | — | — | — | — | — | — |
Resolution | 2K | 2K | 2K | 2K | 2K | 2K | 2K |
Power | Removable Battery/Wired | Removable Battery/Wired | Build-in Battery only | Removable Battery/Wired | Removable Battery/Wired | Build-in Battery/Wired | Removable Battery/Wired |
AIert Type | Human/Motion | Human/Motion/Package/Face | Human/Motion | Human/Motion | Human/Motion | Human/Motion/Package/Face | Human/Motion/Package/Face |
Local Storage | Up to 128GB MicroSD (Excl.) | Device 8G Emmc | Up to 128GB MicroSD (Excl.) | Up to 128GB MicroSD (Excl.) | Homebase 3 16GB(Included) | Homebase 2 16GB(Included) | Device 8G Emmc |
Field of View | 160°(4:3) | 160°(4:3) | 165°(16:9) | 160°(4:3) | 160°(4:3) | 160°(4:3) | 160°(4:3) |
Battery Compaticy | 6500mAh | 6500mAh | 5000mAh | 6500mAh | 6500mAh | 6500mAh | 6500mAh |
24/7 Recording(wired) | ? | ? | ? | ? | ? | ? | ? |
Pre-recording | ? | ? | ? | ? | ? | ? | ? |
2-Way Audio | ? | ? | ? | ? | ? | ? | ? |
Dual Cam | ? | ? | ? | ? | ? | ? | ? |
Color Night Vision | ? | ? | ? | ? | ? | ? | ? |
Alexa/Google Assistant | ? | ? | ? | ? | ? | ? | ? |
At eufy we believe all great smart home products need to be thoughtfully built from the start. From whole-home security to smart cleaning solutions, eufy's technology brings you expert protection and deep cleaning that's tailored to your lifestyle and creates human-first technology that enlivens the lives of everyone around you.
Because care is what makes a house a home, everything we build is built with care for you.
eufy, Built with Care
eufyCam S4 4-Cam Kit
eufy Security Camera
eufy POE NVR Security System
eufy Wired Camera
eufy Smart Lights
eufy Smart Lock
eufy Doorbell
eufy Baby & Mom
eufy Alarm System and Tracker
Local Security*, No Monthly Fee**
Footage is stored locally with a microSD card (not included) up to 128 GB with no subscription fee. With Homebase S380 (sold separately), you can enjoy up to 16TB of expandable storage, keeping your privacy securely in your hands.
Centralized Security with HomeBase
Safeguarding your data and privacy, HomeBase S380 equips your devices with self-learning AI for intelligent management and facilitates effortless control over group settings, compiles footage when it detects movement across your cameras, creating a unified event overview.
Hardwire connecting area
6,500 mAh Quick-Release Battery Pack
IP65 weatherproof
2K resolution, 4:3 extended view
High-res speaker and microphone
Doorbell button
When a visitor presses the button, you'll get notifications on your phone, and all other connected voice assistants or chimes.
What chimes can Video Doorbell C31 pair with?
The Video Doorbell C31 pairs with your existing chime, eufy HomeBase S280, S380, MiniBase Chime (T8023), Alexa.
Note: It is not compatible with the original eufy Wi-Fi Chime (T8020), eufy Chime (T8740/T8742), or Apple HomeKit.
Is Video Doorbell C31 compatible with HomeBase 3?
Yes, it is compatible with HomeBase 3. This setup provides expandable local storage, enhanced AI functionality, cross-device features, and more.
Why is my doorbell not working properly after binding?
Ensure you have the latest app (version 5.0.22 or above) and check if the doorbell has received the latest software update.
Will Video Doorbell C31 support pre-record and 24/7 recording? Will my existing chime still work?
Yes, C31 supports pre-record and 24/7 recording functions when powered by a 16-24V transformer (bypass chime). 24/7 recording is unavailable with HB2/Minibase, so use Solo or connect it to HB3 to enable this feature.
Why does my doorbell still show low battery or a decrease in battery level even after being wired?
Using Existing Chime charges the doorbell slowly (6-7 days). High foot or vehicle traffic may still drain the battery. We recommend switching to "Bypass Existing Chime" mode.
eufy Security Video Doorbell Camera Series
Video Doorbell C31 | Video doorbell E340 | Video Doorbell C30 | C31 with Extal Chime | C31 with Extra HomeBase 3 | E340 with Extra Chime | E340 with Extra Battery |
|---|---|---|---|---|---|---|
| Customer Reviews | ||||||
| — | — | — | — | — | — | — |
| Price | ||||||
| — | — | — | — | — | — | — |
| Resolution | ||||||
| 2K | 2K | 2K | 2K | 2K | 2K | 2K |
| Power | ||||||
| Removable Battery/Wired | Removable Battery/Wired | Build-in Battery only | Removable Battery/Wired | Removable Battery/Wired | Build-in Battery/Wired | Removable Battery/Wired |
| AIert Type | ||||||
| Human/Motion | Human/Motion/Package/Face | Human/Motion | Human/Motion | Human/Motion | Human/Motion/Package/Face | Human/Motion/Package/Face |
| Local Storage | ||||||
| Up to 128GB MicroSD (Excl.) | Device 8G Emmc | Up to 128GB MicroSD (Excl.) | Up to 128GB MicroSD (Excl.) | Homebase 3 16GB(Included) | Homebase 2 16GB(Included) | Device 8G Emmc |
| Field of View | ||||||
| 160°(4:3) | 160°(4:3) | 165°(16:9) | 160°(4:3) | 160°(4:3) | 160°(4:3) | 160°(4:3) |
| Battery Compaticy | ||||||
| 6500mAh | 6500mAh | 5000mAh | 6500mAh | 6500mAh | 6500mAh | 6500mAh |
| 24/7 Recording(wired) | ||||||
| ? | ? | ? | ? | ? | ? | ? |
| Pre-recording | ||||||
| ? | ? | ? | ? | ? | ? | ? |
| 2-Way Audio | ||||||
| ? | ? | ? | ? | ? | ? | ? |
| Dual Cam | ||||||
| ? | ? | ? | ? | ? | ? | ? |
| Color Night Vision | ||||||
| ? | ? | ? | ? | ? | ? | ? |
| Alexa/Google Assistant | ||||||
| ? | ? | ? | ? | ? | ? | ? |
At eufy we believe all great smart home products need to be thoughtfully built from the start. From whole-home security to smart cleaning solutions, eufy's technology brings you expert protection and deep cleaning that's tailored to your lifestyle and creates human-first technology that enlivens the lives of everyone around you.
Because care is what makes a house a home, everything we build is built with care for you.
eufy, Built with Care
eufyCam S4 4-Cam Kit
eufy Security Camera
eufy POE NVR Security System
eufy Wired Camera
eufy Smart Lights
eufy Smart Lock
eufy Doorbell
eufy Baby & Mom
eufy Alarm System and Tracker