SONOFF Zigbee SenseGuard Indoor Siren | SNZB-09P

SONOFF SenseGuard Indoor Siren (SNZB-09P) — Zigbee Smart Siren

The SONOFF SNZB-09P SenseGuard Indoor Siren is a loud, versatile Zigbee indoor siren designed for smart home security systems. With up to 105 dB of volume, customizable alarm tones, and a bright red circular light strip, it provides both audible and visual alerts. Dual power (USB-C + built-in backup battery) ensures it continues working even during power outages. Ideal for pairing with door/window sensors, motion sensors, water leak detectors, and other Zigbee devices.

KEY FEATURES

• Up to 105 dB Alarm: Loud enough to be heard throughout the home, with 4 adjustable volume levels
• 10 Built-in Alarm Tones: Assign different sounds to different events or zones
• Flexible Alert Modes: Sound only, light only, or simultaneous sound + light
• Red Circular Light Strip: Bright visual alerts, especially effective in low light
• Dual Power Supply: USB-C powered with built-in 600 mAh backup battery
• Power Outage Protection: Continues operating on battery during blackouts
• Zigbee 3.0: Integrates easily into existing Zigbee networks
• Smart Scenes: Trigger the siren automatically from sensors and other devices

SPECIFICATIONS

Alarm:

• Maximum volume: 105 dB @ 1 m
• Adjustable volume levels (approx. 75 / 82 / 93 / 105 dB)
• 10 selectable alarm tones
• Sound, light, or sound + light modes

Power:

• USB-C 5V / 1A input
• Built-in 600 mAh lithium backup battery
• Up to 300 days standby in silent mode
• Automatically recharges when USB power is restored

Connectivity:

• Zigbee 3.0
• Requires a Zigbee gateway / hub

Compatibility:

• eWeLink app (via SONOFF Zigbee hubs)
• Home Assistant (Zigbee2MQTT / ZHA)
• SmartThings
• Works with other standard Zigbee hubs

Other:

• MCU: TLSR8656
• Indoor use only

What's Included:

• 1 × SONOFF SNZB-09P Indoor Siren
• User Manual

NOTES

• A compatible Zigbee hub/gateway is required for operation
• Recommended for use with SONOFF Zigbee bridges, NSPanel Pro, or USB dongles (ZBDongle-E / ZBDongle-P, etc.)
• Excellent companion for door/window sensors, motion sensors, water leak sensors, and security automations
• Backup battery ensures the siren remains functional during power outages