Sonoff SNZB-04P Zigbee Door/Window Sensor – Enhanced Security with Tamper Alert

The Sonoff SNZB-04P is an advanced Zigbee 3.0 door/window sensor designed to enhance your smart home security. It detects the open and close status of doors and windows, sending real-time notifications to your smartphone via the eWeLink app. With a built-in tamper-proof feature, it alerts you immediately if someone attempts to remove or tamper with the device.

Compared to its predecessor, the SNZB-04P offers improved design and performance, including a longer battery life of up to 5 years and a maximum installation distance of 20mm between the sensor and magnet. Its compact size and versatile mounting options make it suitable for various applications, from home security to energy-saving automation.

The sensor seamlessly integrates with Zigbee 3.0 hubs such as Sonoff NSPanel Pro, iHost, ZBBridge Pro, ZBDongle-E, and ZBDongle-P, as well as platforms like Home Assistant, SmartThings, and Amazon Alexa (with built-in Zigbee hub).

📦 What’s in the Box:

1x Sonoff SNZB-04P Zigbee Door/Window Sensor

1x CR2477 Battery (pre-installed)

1x 3M Adhesive Pad

1x Screw for Mounting

1x User Manual

📐 Key Specifications:

Model: SNZB-04P

Wireless Protocol: Zigbee 3.0 (IEEE 802.15.4)

Installation Gap: ≤20mm

Battery Type: CR2477 (3V), up to 5 years lifespan

Operating Temperature: -10°C to 60°C

Operating Humidity: 5% to 95% RH (non-condensing)

Sensor Dimensions: 50.5 x 32 x 21.9 mm

Magnet Dimensions: 27 x 12 x 12.4 mm

Weight: 33 g

Material: PC (Polycarbonate)

📌 Key Features:

Real-Time Alerts: Receive instant notifications when doors or windows are opened or closed.

Tamper-Proof Design: Built-in tamper alert notifies you of unauthorized attempts to remove or tamper with the sensor.

Long Battery Life: Powered by a CR2477 battery, offering up to 5 years of maintenance-free operation.

Flexible Installation: Compact design with adhesive and screw mounting options for easy installation.

Wide Compatibility: Integrates with various Zigbee 3.0 hubs and platforms for seamless smart home integration.

Automation Capabilities: Trigger other smart devices or scenes based on the sensor's status.

📌 Common Use Cases:

Home Security: Monitor entry points and receive alerts for unauthorized access.

Energy Efficiency: Automatically turn off heating or cooling systems when windows are opened.

Smart Lighting: Trigger lights to turn on or off when doors are opened or closed.

Child Safety: Receive alerts when children open doors or windows.