SONOFF SNZB-09P

Name: SONOFF SNZB-09P
Brand: SONOFF

SONOFF / SNZB-09P

Last checked 2026-10-20

Amazon links here are plain search links and earn this site no commission. Disclosure

Part of the SONOFF water valves, sirens and USB adapters line

Does the SONOFF SNZB-09P work with HomeKit, Alexa, and Google Home?

The SNZB-09P (SenseGuard Indoor Siren) is a Zigbee 3.0 indoor siren with a 105 dB alarm, ten alarm tones and a light.

It runs on USB-C power with a backup battery and needs a compatible SONOFF Zigbee hub. It suits SmartThings and Home Assistant users through an integration (Zigbee).

At a glance: works withHow this is decided: cited platform facts only

HomeKit

Unknown

Google Home

Unknown

Alexa

Unknown

SmartThings

Yes[1]

Zigbee, via integration

Home Assistant

Yes[1]

Zigbee, via SONOFF dongle; ZHA needs a script

Key facts

SONOFF SNZB-09P facts

How facts are sourced: every cell cites its source below

SONOFF SNZB-09P facts
Fact	Value
Status	Current[1]
List price	$24.90[1] as of October 13, 2026
Type	Siren[1]
Flow meter	No[1]
Channels	unknown
Power	USB-C 5 V, 1 A with a backup battery[1]
Protocol	Zigbee 3.0[1]

Integration paths

How the SONOFF SNZB-09P connects

1 pathHow facts are sourced: every cell cites its source below

How the SONOFF SNZB-09P connects
Path	Requiresi	Locali	Features lost	Platformsi
Zigbee, needs HUB	A compatible SONOFF Zigbee hub[1]	unknown	Native ZHA support is an unmerged pull request, so a SONOFF script is needed for full features[1]	Home Assistant: Via integration[1] Integration: SONOFF dongle; ZHA needs a script Samsung SmartThings: Via integration[1]

About these columns

Requires: Hardware the path needs beyond the device and a controller.
Local: Yes when control on this path keeps working with the internet down.
Platforms: The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Home Assistant: Via Zigbee/Z-Wave[2]
Homey: Unknown

Ways to add the SONOFF SNZB-09P

1 routeHow facts are sourced: every cell cites its source below

Ways to add the SONOFF SNZB-09P
Platform	Leveli	Integration	Details	Evidence	Limitations
Home Assistant	Via Zigbee/Z-Wave[2]	zigbee2mqttZigbee	Works with Home Assistant: Not certified[2]	Model named	None stated

About these columns

Level: How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Cite this page

SONOFF SNZB-09P. Smart Home Canon. https://smarthomecanon.com/devices/sonoff-snzb-09p. Last checked 2026-10-20.

Sources

[1]
MFRsonoff.tech / SONOFF Zigbee SenseGuard Indoor Siren | SNZB-09P
Accessed 2026-10-13Back to text
[2]
DBzigbee2mqtt.io / Zigbee2MQTT: SONOFF SNZB-09P
Accessed 2026-10-20Back to text