Keep your home secure and smart — SONOFF SNZB-04P transforms any door or window into a protective gateway. With instant detection of open/close events and real-time alerts, this sensor ensures you always know what’s happening at home. It seamlessly integrates with your Zigbee smart-home system and automations, enabling lights, alarms, or cameras to react automatically. Simple to install and low maintenance, it’s an essential add-on for any home seeking safety, convenience, and peace of mind.
Key Features
Real-Time Open/Close Detection — Immediately detects when doors or windows are opened or closed, keeping your home secure.
Zigbee 3.0 Connectivity — Fast, stable communication with compatible Zigbee hubs for reliable automation.
Instant App Notifications — Receive alerts on your smartphone whenever the sensor detects changes.
Smart Automations — Trigger lights, alarms, cameras, or pre-defined scenes when a door/window is opened or closed.
Tamper Alert — Built-in tamper protection notifies you if the sensor is removed or tampered with.
Long Battery Life — Powered by a CR2477 battery, offering over 5 years of reliable operation under normal usage.
Easy Installation — Tool-free adhesive mounting, suitable for doors, windows, cabinets, or similar openings.
Voice Assistant Integration — Compatible with Alexa, Google Home, and other supported smart home platforms via hubs.
Local Smart Scene Control — Zigbee scenes continue to function even when Wi-Fi is down, reducing latency and increasing reliability.
Technical Specifications
| Specification |
Details |
| Model |
SONOFF SNZB-04P |
| Protocol |
Zigbee 3.0 |
| Detection Type |
Magnetic Open/Close Sensor |
| Wireless Connection |
Zigbee 3.0 |
| Installation Distance |
≤20 mm between sensor and magnet |
| Battery |
CR2477 (3V, long-life) |
| Operating Temperature |
-10°C ~ 60°C |
| App Support |
eWeLink (iOS / Android) |
| Notifications |
Real-time push alerts |
| Voice Control |
Alexa, Google Home (via hub) |
| Material |
ABS Housing |
| Use Cases |
Doors, windows, cabinets, gates |
Why Use SNZB-04P
-
Enhance home security with real-time monitoring.
-
Seamlessly integrate with smart-home scenes and automations.
-
Enjoy stable and reliable Zigbee 3.0 communication.
-
Benefit from long battery life and minimal maintenance.
-
Quick, tool-free installation and discreet design.
-
Compatible with your existing smart-home ecosystem — lights, alarms, notifications, and more.
