Expansive Wireless Range
Position the siren for optimal sound projection in your home. Connect to HomeBase for dependable performance up to 656 ft (200 m).
One-Tap Mute
Instantly silence the siren after a situation is resolved or to manage false alarms.
Build Your Eufy Security
 eufy Indoor Siren E20 |  eufy Security Siren |  eufy Keypad E10 |  eufy Smart Display E10 |  eufy Entry Sensor E20 |  eufy Motion Sensor E20 |  eufy ExpertSecure System | |
|---|---|---|---|---|---|---|---|
Price | — | — | — | — | — | — | — |
Alarm Volume | 110 dB | 105 dB | - | - | - | - | - |
Volume Adjustment | Supported | Supported | - | - | - | - | - |
Communication Range | 656 ft / 200 m (Open Area) | 656 ft / 200 m (Open Area) | 656 ft / 200 m (Open Area) | 656 ft / 200 m (Open Area) | 656 ft / 200 m (Open Area) | 656 ft / 200 m (Open Area) | 656 ft / 200 m (Open Area) |
Power Supply | 5V/1A with 6.5 ft Cable | CR123A ×2 | Built-In Battery + Adapter | Lithium-Ion | CR123A | CR123A | Multi-pack |
Backup Power Source | Backup 48-Hour Battery | - | - | - | - | - | - |
Does eufy Indoor Siren E20 require a connection to HomeBase? Which HomeBase models is it compatible with?
Yes, it needs to be connected to HomeBase. Ensure your HomeBase has the required version: HomeBase Mini (v4.0.5.2 or above), HomeBase 2 (v3.4.1.2 or above, released after 2021), HomeBase 3 (v3.7.2.6 or above), and HomeBase Pro (v4.1.4.3 or above).
Does the Indoor Siren work during a power outage?
Yes. While normally plugged in, this device can operate for up to 48 hours during a power outage.
Note: Data based on internal lab testing. Actual performance may vary depending on usage conditions.
Can the volume be adjusted?
You can adjust the alarm volume in the app.
Can it be used outdoors?
No, it is designed for indoor use only.
eufy ExpertSecure Products
eufy ExpertSecure System
eufy ExpertSecure Products
eufy ExpertSecure Products
Expansive Wireless Range
Position the siren for optimal sound projection in your home. Connect to HomeBase for dependable performance up to 656 ft (200 m).
One-Tap Mute
Instantly silence the siren after a situation is resolved or to manage false alarms.
Build Your Eufy Security
eufy Indoor Siren E20 | eufy Security Siren | eufy Keypad E10 | eufy Smart Display E10 | eufy Entry Sensor E20 | eufy Motion Sensor E20 | eufy ExpertSecure System |
|---|---|---|---|---|---|---|
| Price | ||||||
| — | — | — | — | — | — | — |
| Alarm Volume | ||||||
| 110 dB | 105 dB | - | - | - | - | - |
| Volume Adjustment | ||||||
| Supported | Supported | - | - | - | - | - |
| Communication Range | ||||||
| 656 ft / 200 m (Open Area) | 656 ft / 200 m (Open Area) | 656 ft / 200 m (Open Area) | 656 ft / 200 m (Open Area) | 656 ft / 200 m (Open Area) | 656 ft / 200 m (Open Area) | 656 ft / 200 m (Open Area) |
| Power Supply | ||||||
| 5V/1A with 6.5 ft Cable | CR123A ×2 | Built-In Battery + Adapter | Lithium-Ion | CR123A | CR123A | Multi-pack |
| Backup Power Source | ||||||
| Backup 48-Hour Battery | - | - | - | - | - | - |
Does eufy Indoor Siren E20 require a connection to HomeBase? Which HomeBase models is it compatible with?
Yes, it needs to be connected to HomeBase. Ensure your HomeBase has the required version: HomeBase Mini (v4.0.5.2 or above), HomeBase 2 (v3.4.1.2 or above, released after 2021), HomeBase 3 (v3.7.2.6 or above), and HomeBase Pro (v4.1.4.3 or above).
Does the Indoor Siren work during a power outage?
Yes. While normally plugged in, this device can operate for up to 48 hours during a power outage.
Note: Data based on internal lab testing. Actual performance may vary depending on usage conditions.
Can the volume be adjusted?
You can adjust the alarm volume in the app.
Can it be used outdoors?
No, it is designed for indoor use only.