SNZB-04PR2

The Sonoff SNZB-04PR2 SenseGuard DW Gen2 Zigbee Door/Window Sensor is a versatile and reliable smart home device designed to monitor the opening and closing of doors and windows wirelessly. This sensor is part of the Sonoff SenseGuard series, which aims to provide users with peace of mind by keeping them informed of the status of their doors and windows in real-time.

This Sonoff SNZB-04PR2 sensor is equipped with advanced Zigbee technology, allowing it to connect seamlessly with other compatible Zigbee devices and hubs. Once connected, users can monitor the status of their doors and windows through various smart home platforms and applications, such as Google Home, Amazon Alexa, Apple HomeKit, and more.

The sensor is designed to be easily installable on doors and windows. It comes with pre-mounted 3M double-sided adhesive pads, making it simple to attach the sensor to the surface of your choice without the need for additional tools or hardware. The sensor's compact size and sleek design also make it an unobtrusive addition to any home.

The Sonoff SNZB-04PR2 sensor is equipped with a highly sensitive reed switch, which can detect even the slightest movement of doors and windows. This means that users can receive notifications as soon as their door or window is opened or closed, providing them with valuable information and security.

The sensor also features a built-in temperature sensor, allowing users to monitor the temperature of the room where the door or window is located. This can be particularly useful for monitoring the temperature of rooms that are not frequently occupied, such as garages or sheds, to ensure that they remain at an acceptable temperature.

The Sonoff SNZB-04PR2 SenseGuard DW Gen2 Zigbee Door/Window Sensor is a valuable addition to any smart home setup, providing users with peace of mind and valuable information about the status of their doors and windows. Its easy installation, reliable performance, and advanced features make it a must-have device for anyone looking to enhance their home security and convenience.

The Sonoff SNZB-04PR2 SenseGuard DW Gen2 Zigbee Door/Window Sensor is a smart home device designed to detect open or closed states of doors and windows. Here are some pros and cons that may help you decide if this product is suitable for your needs:

1. Zigbee compatibility: This sensor operates on the Zigbee wireless protocol, which is known for its low power consumption, long-range capabilities, and ease of use with popular smart home platforms like Amazon Alexa, Google Assistant, and Apple HomeKit.

2. Battery-operated: The device is battery-powered, which makes it easy to install without the need for any wiring or power outlets.

3. Magnetic contact: The sensor uses a magnetic contact that can reliably detect when a door or window is open or closed.

4. Tamper-resistant design: The sensor is designed with a tamper-resistant feature that alerts users if someone tries to remove it from the door or window.

5. Low power consumption: The device is designed to conserve energy and has a long battery life, making it an eco-friendly choice for smart home users.

1. Limited compatibility with some smart home platforms: Although the Sonoff SNZB-04PR2 works with many popular smart home platforms, it may not be compatible with all of them. Users should check the compatibility of their preferred platform before purchasing.

2. Manual battery replacement: While the battery-operated design is convenient, users will need to manually replace the batteries when they run out, which can be an inconvenience.

3. Limited customization: The sensor does not offer extensive customization options, which may be a drawback for users who prefer more advanced features.

In conclusion, the Sonoff SNZB-04PR2 SenseGuard DW Gen2 Zigbee Door/Window Sensor is a reliable and easy-to-use smart home device that is compatible with popular wireless protocols and smart home platforms. Its battery-operated design, magnetic contact, and tamper-resistant features make it a convenient choice for users looking to add smart functionality to their doors and windows. However, it may not offer extensive customization options, and users should check the compatibility of their preferred smart home platform before making a purchase.

If you are looking for a reliable, battery-operated, and easy-to-install door/window sensor for your smart home, the Sonoff SNZB-04PR2 SenseGuard DW Gen2 Zigbee Door/Window Sensor is a good option to consider. However, if you require more advanced customization features or prefer a different wireless protocol, you may want to explore other options.

Details:

Perfect for home security, child safety, pet monitoring, and energy-saving automation. Smart automation for home security and more the sensor requires a zigbee hub to operate. Ideal for wide door gaps, narrow frames, apartments, garages, and office security setups. When the open/close/tamper status changes, it can trigger smart scenes such as alarms when open, camera recording, lights on, or voice notifications.

Sonoff senseguard dw gen2 zigbee door sensor, open/close monitoring, window alarm for home security, alert, tamper automation, works with assistant Alex, accurate monitoring AAA battery powered the sensor requires a hub to operate. Compatible with other zigbee ecosystems easily integrates home assistant via Sonoff dongles and works Alex smart things through compatible hubs. Versatile installation to fit most doors windows supports horizontal and vertical magnet installation with up 30mm detection distance. You can monitor door or window open/close status via app and receive instant alerts.

Tamper alert instant notification built-in tamper-prevent button allows you to receive real-time alerts when the device is removed, enhancing door security.

specifications entrysyst:

• brand: Sonoff
• mpn: Snzb-04pr2
• part type: Sensor
• non lithium battery packaging: Batteries Packed With Equipment
• batteries required: Yes
• upc: 979033600225
• package dimensions lxwxh: 5.28x3.62x0.79 Inches
• weight: 0.49 Pounds

shipping entrysyst:

• type: fixed
• service: standard
• transit: 4-7 days
• class: standard

returns entrysyst:

• paid by: seller
• time: 14 days
• policy: returns accepted
• method: money back

payments entrysyst:

• credit card: discover
• other
• wallet: apple-pay

offer entrysyst:

• sold #: 11
• started: march 26, 2026
• availability: in stock
• prices: $12.99–$45.95
• item condition: New
• options: ship-to-home
• in stock #: 5

general entrysyst:

• category: Home & Garden > Security > Door Entry Systems Intercoms

seller entrysyst:

• # reviews: 966
• rating: 99.7%
• city: austin, texas

Grouped With:

• SNZB-04P: SECURITY SENSOR PHONE, Sonoff