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SONOFF SNZB-04PR2 SenseGuard DW Gen2 Zigbee3.0 Door/Window Sensor Active Security with Tamper Alerts Matter Bridge Via Apple Home — image 1
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SONOFF

SONOFF SNZB-04PR2 SenseGuard DW Gen2 Zigbee3.0 Door/Window Sensor Active Security with Tamper Alerts Matter Bridge Via Apple Home

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product for everyday users

The SONOFF SNZB-04PR2 SenseGuard DW Gen2 Zigbee3.0 Door/Window Sensor Active Security with Tamper Alerts Matter Bridge Via Apple Home by SONOFF is a mid-range product designed for everyday users.

₹2,791-1%
MRP:₹2,819Save ₹28
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Color: White

White
Total: ₹2,791
Buying tip: A quality investment for dependable performance and premium build quality.
Estimated delivery: 26 Aug9 Sept
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Home useEveryday convenience
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About This Product

The SONOFF SNZB-04PR2 SenseGuard DW Gen2 Zigbee3.0 Door/Window Sensor Active Security with Tamper Alerts Matter Bridge Via Apple Home by SONOFF is a mid-range designed for everyday users. It delivers reliable performance at an accessible price.

Why Buy from Pricio?

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Specifications:
Brand: SONOFF
Model: SNZB-04PR2
Wireless Protocol: Zigbee3.0
Power Supply: 2 x 1.5V AAA battery
Battery Type: AAA
Communication Range: 100m(open area)
Detection Distance:
30mm (horizontal installation)
15mm (vertical installation)
Transmitter Size: 90 x 26 x 13.5mm
Magnet Size: 31 x 14 x 6.5mm
Magnet Installation: Horizontal / Vertical
Special Design: Detachable magnet
Function: Door/window open-close detection, tamper detection
App Support: eWeLink
Voice Assistant Support: Alexa, Google Home
Apple Home Support: Via Matter Bridge
Compatible Platforms: eWeLink, Home Assistant, Zigbee2MQTT, SmartThings, Alexa, FRITZ!
Note: Zigbee3.0 gateway required

Features:
1. Zigbee3.0 fast connection:
Stable Zigbee3.0 communication for door and window status monitoring with low power consumption.
2. Slim body with compact size:
Only 13.5mm thick, making it suitable for more installation positions on doors, windows, cabinets, and safes.
3. Flexible installation design:
Supports horizontal and vertical magnet mounting, with a detachable magnet for tighter or special mounting spaces.
4. Long battery working time:
Powered by 2 AAA batteries, with up to 3 years of battery life under typical use.
5. Tamper alert and app notification:
Sends alerts through the app when the device is removed or tampered with, helping improve home security management.
6. Smart home automation support:
Can trigger smart scenes such as turning on cameras, sending alerts, turning off thermostat devices, or switching off lights when door/window status changes.

Package Includes:

1 x SONOFF SNZB-04PR2 Sensor Transmitter
1 x Magnet
2 x AAA Batteries
4 x Adhesive Stickers
1 x User Manual
1 x Retail Box



Product Safety Information

Setup Guide

1
Identify the pins
Locate VCC (power), GND (ground), and data pins (SDA/SCL for I2C, MOSI/MISO for SPI, or TX/RX for UART). Refer to the pinout diagram on the product page.
2
Wire to your microcontroller
Connect VCC to 3.3V or 5V (check the module spec), GND to GND, and data pins to the appropriate GPIO pins on your Arduino or Raspberry Pi.
3
Install libraries
In Arduino IDE, go to Sketch → Include Library → Manage Libraries and search for the sensor library. Install the recommended version.
4
Upload example sketch
Open File → Examples → [library name] → Basic Example. Upload to your board and open Serial Monitor to view output.
5
Calibrate if needed
Some sensors (temperature, humidity, distance) may need a short warm-up period or calibration. Run the calibration sketch if provided.