Name: SONOFF SNZB-04PR2 Window and Door Open Sensor, Czujnik otwarcia okien i drzwi SONOFF SNZB-04PR2
Brand: Sonoff
SKU: SNZB-04PR2
Price: 14.5 EUR
Availability: InStock

SONOFF SNZB-04PR2 Window and Door Open Sensor, Czujnik otwarcia okien i drzwi SONOFF SNZB-04PR2

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SONOFF SNZB-04PR2 Window and Door Sensor

The SONOFF SNZB-04PR2 is a door and window sensor that uses Zigbee 3.0 communication, allowing you to monitor the status of secured items in real time via the app. Its slim design, just 13.5 mm thick, facilitates discreet installation, and a communication range of up to 100 m in open space ensures stable operation in various parts of the home. The device detects when doors and windows are opened or closed, alerts you to any attempts to remove the sensor, and sends real-time notifications, allowing you to respond quickly to any status changes.

Sonoff door and window sensor mounted on a balcony door frame

Constant Monitoring and Instant Notifications

The sensor allows you to monitor doors and windows directly from the eWeLink app. Information about whether a door or window is open or closed appears immediately, giving you full control over the secured rooms. Additionally, the Tamper Detection feature alerts you to any attempt to tamper with the sensor, enhancing the security of the entire system.

A boy climbing out of his crib, next to a smartphone with notifications enabled

Smart Scenes for Security and Savings

The SNZB-04PR2 can work with other smart home devices to create automations tailored to your daily needs. The sensor can trigger security scenes when it detects a door or window opening, working in conjunction with a Zigbee gateway and security cameras, among other devices. It also works well in energy-saving scenarios, such as automatically turning off the thermostat when a window is left open or turning off the lights when a door is closed.

Camera detecting a burglar entering through the balcony door

Flexible Installation and Broad Compatibility

Thanks to its detachable magnet and the ability to mount it horizontally or vertically, the device can be easily adapted to many types of doors and windows. The sensor supports a detection range of up to 30 mm when mounted horizontally and up to 15 mm when mounted vertically, which facilitates installation even in less standard locations. The design works well not only for doors and windows, but also for refrigerators, medicine cabinets, pet cages, and safes. The device works with the eWeLink app, Home Assistant, MQTT, iHost, and the Amazon Alexa and Apple Home platforms via Matter Bridge. Thanks to its 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.

White sensor held in the hand

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 replacement. The housing is made of UV-resistant materials, and the device has passed a 1-meter drop test and thermal shock tests.

Sensor with mounting accessories, packaging, and user manual on a light-colored background

Included in the package

SONOFF SNZB-04PR2 Door and Window Sensor
2 AAA batteries
User manual

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

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