SONOFF Zigbee SenseGuard Indoor Siren | SNZB-09P
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【105dB Loud Alarm】Deliver powerful security alerts with up to 105dB alarm volume. Choose from 4 volume levels and adjust settings anytime via the app to fit different environments.
【Flexible Sound & Light Alerts】Customize your alarm modes with sound only, light only, or synchronized sound and light alerts for different security scenarios.
【10 Custom Alarm Tones】Built-in 10 alarm tones help assign unique sounds to different areas or events, allowing you to quickly identify alerts.
【Dual Power Supply】Built-in backup battery keeps the device running during power outages, providing up to 300 days of operation in silent mode. When USB power is restored, the backup battery automatically recharges.
【Zigbee Smart Security Automation】Connect with Zigbee sensors and cameras to create an automated security system that detects, alerts, and responds instantly.
Technical details, troubleshooting or setup tips? Access the SNZB-09P knowledge center for all the info you need.
Powerful Sound-Light Alert Keep Unwanted Intruders Away
SenseGuard Indoor Siren- Zigbee Siren
105dB High-Decibel Alarm Sound - Effectively Deters Intruders
It can support an alarm sound of up to 105dB, covering the entire floor, effectively deterring intruders and alerting the homeowner, notifying everyone to respond promptly
Multiple alarm configuration options available,
suitable for various application scenarios.
Configuration options include volume level, tone, alarm duration, and alarm light control.
10 types of alarm sounds - can identify triggering scenarios based on alarm sounds
Built-in 10 alarm sound effects, allowing different tones to be assigned to different sensors, making it easier to identify where an abnormality has occurred.
Red highlighted alarm - audible and visible
Featuring a red circular light strip on the front, the siren allows you to enable flashing light alerts when needed. The visual alarm helps draw attention quickly, especially in low-light environments.
Two power supply options are available
- wired power or built-in backup battery power.
The siren can be powered through the USB-C 5V interface. If there is no power plug nearby, it can also be powered through the built-in backup battery. The lithium battery has a capacity of 600mAh and can maintain the device online for more than 300 days in silent state
Smart Scene - Create Personalized Automations
Customize alert actions and reminder levels for different scenarios with flexible smart automation.
Placement
Placement
Easily Integrates with Open-Source Platforms
Integrate SenseGuard Indoor Siren into Home Assistant open-source platform with SONOFF Dongle Series.
If you need complete functionality right away, you can manually configure the device using a script. Please refer to the SONOFF HelpCenter‑ SNZB‑09P Setup Note for the detailed instructions and the required script. This also applies if you are using SmartThings.
Zigbee Hub Compatibility
If you need complete functionality right away, you can manually configure the device using a script. Please refer to the SONOFF HelpCenter‑ SNZB‑09P Setup Note for the detailed instructions and the required script. This also applies if you are using SmartThings.
Installation
4 Steps to Use
Easily set up. Download the APP, scan the QR code to connect with the zigbee hub and control!
*Requires a compatible SONOFF Zigbee hub.
Specifications
Specs & User Manual
SNZB-09P is a Zigbee siren designed to provide reliable and intelligent security protection. Featuring a powerful 105dB alarm with 4 adjustable volume levels, customizable sound and light alerts, and 10 built-in alarm tones, it delivers clear and effective warnings for different scenarios. With dual power backup and seamless Zigbee connectivity, it can work with sensors and cameras to build a smarter security system for homes, shops, and garages.
User Manual (PDF)SenseGuard
SenseGuard Indoor Siren
SNZB-09P
TLSR8656
5V⎓1A
Type-C
Zigbee 3.0 IEEE802.15.4
White
81 × 81 × 35mm
106g
ABS
Up to 100 m in open environments
Indoor
0℃~45℃
0~90%RH, non-condensing
CE/FCC/RoHS
FAQ
1. How to use the power button?
The power switch on the device only controls the device's on/off state when powered by backup power. When powered by USB, the switch is ineffective.
2. Will the alarm still work after a power outage?
The device supports backup battery power. When USB power is disconnected, the device will automatically switch to battery power and continue its online functionality.
3. Volume levels and their corresponding decibel values
The volume levels roughly correspond to: 75dB@1m, 82dB@1m, 93dB@1m, 105dB@1m
4. Can the sound and light be controlled independently?
The device supports independent control of sound and light.
Users can choose according to different usage scenarios:
- Sound alarm only;
- Flashing light only;
- Sound and light alarm simultaneously.
5. Does it support custom alarm sound effects?
The device supports 10 alarm sound effects to choose from, allowing users to select different alert sounds for different application scenarios.