Description
The SONOFF SenseGuard Indoor Siren (SNZB-09P) is a Zigbee 3.0 alarm siren that delivers powerful security alerts of up to 105 dB, combined with a red circular light strip on the front for flashing visual warnings. Choose sound only, light only, or synchronized sound and light alerts, with 10 built-in tones and 4 volume levels you can adjust anytime in the app.
It is powered through its USB Type-C 5V interface and has a built-in backup battery that keeps it running during power outages, for up to 300 days in silent mode, and recharges automatically when USB power is restored. Link it with Zigbee sensors and cameras to build an automated security system that detects, alerts and responds instantly.
Note: a Zigbee gateway is required (see "Works With" below).
Key Features
- Loud alarm of up to 105 dB with 4 volume levels (75 / 82 / 93 / 105 dB at 1 m)
- Flexible alert modes: sound only, light only, or synchronized sound and light
- Red circular light strip on the front for flashing light alerts
- 10 built-in alarm tones to assign unique sounds to different areas or events
- Dual power: USB Type-C 5V plus a built-in 600 mAh lithium backup battery
- Up to 300 days of backup operation in silent mode; recharges automatically when USB power returns
- Zigbee security automations with sensors and cameras
- Home Assistant integration with the SONOFF Dongle series
- Up to 100 m communication distance in open environments
Works With
Technical Specifications
| Specification |
Details |
| Model |
SNZB-09P |
| Product Name |
SenseGuard Indoor Siren |
| Product Series |
SenseGuard |
| Wireless Protocol |
Zigbee 3.0 (IEEE 802.15.4) |
| MCU |
TLSR8656 |
| Power Input |
5V ⎓ 1A (USB Type-C) |
| Backup Battery |
Built-in 600 mAh lithium battery |
| Alarm Volume |
Up to 105 dB (4 levels) |
| Alarm Tones |
10 built-in tones |
| Alert Modes |
Sound only, light only, sound and light |
| Communication Distance |
Up to 100 m in open environments |
| Application Environment |
Indoor |
| Operating Temperature |
0°C ~ 45°C |
| Operating Humidity |
0% ~ 90% RH, non-condensing |
| Casing Material |
ABS |
| Color |
White |
| Dimensions |
81 × 81 × 35 mm |
| Net Weight |
106 g |
| Certifications |
CE, FCC, RoHS |
Why Choose the SONOFF SNZB-09P?
- Loud 105 dB alarm with flexible sound and light alerts
- Keeps working during power outages thanks to the backup battery
- 10 tones help you tell which area or event triggered the alarm
- Completes your Zigbee security system with sensors and cameras
Downloads
⬇ Download User Manual (PDF)
Warranty: 12-month warranty from the Official Distributor.
