SONOFF SNZB-04PR2 Window and Door Opening Sensor

SONOFF SNZB-04PR2 Window and Door Sensor

SONOFF SNZB-04PR2 is a door and window opening sensor that utilizes Zigbee 3.0 communication, allowing you to continuously monitor the status of secured elements through the app. Its slim design, with a thickness of just 13.5 mm, facilitates discreet installation, while a communication range of up to 100 m in open space ensures stable operation in various parts of the home. The device offers detection of opening and closing, tamper attempts on the sensor, and real-time notifications, enabling you to quickly respond to any changes in status.

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Constant Monitoring and Instant Notifications

The sensor allows monitoring of doors and windows directly from the eWeLink app. Information about opening or closing appears instantly, providing full control over secured rooms. Additionally, the Tamper Detection feature alerts you to any tampering attempts on the sensor, increasing the overall security of the system.

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Smart Scenes for Security and Savings

SNZB-04PR2 can work with other smart home devices to create automations tailored to daily needs. The sensor can trigger security scenes upon detecting the opening of a door or window, working in conjunction with a Zigbee gateway and surveillance cameras. It is also effective in energy-saving scenarios, such as automatically turning off the thermostat after leaving a window open or turning off lights after closing a door.

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Flexible Installation and Wide Compatibility

Thanks to the detachable magnet and the ability to mount horizontally and vertically, the device can be easily adapted to many types of doors and windows. The sensor supports a detection distance of up to 30 mm for horizontal mounting and up to 15 mm for vertical mounting, making installation easier even in less standard locations. The design is suitable not only for doors and windows but also for refrigerators, medicine cabinets, pet cages, or safes. The device is compatible with the eWeLink app, Home Assistant, MQTT, iHost, and platforms like Amazon Alexa and Apple Home via Matter Bridge. With support for Zigbee 3.0, it can be integrated with many popular gateways and home automation systems, and the sensor's status can also be checked using voice commands in compatible systems.

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Long Battery Life and Durable Construction

Powered by two AAA batteries, it provides up to 3 years of operation without the need for frequent battery replacements. The casing is made from materials resistant to UV radiation, and the device has passed a drop test from a height of 1 m and thermal shock tests.

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Included in the Package

• SONOFF SNZB-04PR2 Door and Window Sensor
• AAA Battery x2
• User Manual

Manufacturer	Sonoff
Model	SNZB-04PR2
Microcontroller (MCU)	TLSR8656F512ET32
Power Supply	3 V
Battery Model	2 × LR03 AAA
Zigbee Standard	IEEE 802.15.4
Weight	45.1 g (with batteries)
Dimensions	Transmitter: 90 × 26 × 13.5 mm Magnet: 31 × 14 × 6.5 mm
Housing Material	PC
Usage Location	Indoors
Operating Temperature	From -10°C to 60°C
Operating Humidity	5–95% RH, non-condensing