SONOFF SNZB-04 Zigbee Door Window Sensor Smart Contact Alarm Control 4PCS

( Brand: Sonoff ), ( Manufacturer Part Number: SNZB-04 ), ( Power Source: Battery ), ( Smart Home Compatibility: Alexa, Google Home ), ( Type: Door Contact ), ( Item Height: 40 Cm ), ( Connectivity: Zigbee ), ( Features: App Control, Real-time Alerts, Easy Installation ), ( Country Of Origin: China )

Review SONOFF 4pcs Zigbee Door And Window Sensor Smart Contact Alarm App Control

The Sonoff SNZB-04 is a versatile and intelligent Zigbee door and window sensor designed to bring smart automation to your home. This sensor kit comes with four individual units, each capable of detecting the opening and closing of doors and windows.

Each unit in the Sonoff SNZB-04 kit is compact and sleek, making them a discreet addition to any home decor. They are also waterproof, enabling their use in various environments, including bathrooms and kitchens.

The Sonoff SNZB-04 sensors are wireless and connect seamlessly to your Zigbee hub or gateway. Once connected, you can easily configure them using the associated smart home application on your smartphone or tablet. The sensors support both contact and open-state detection, allowing you to set up alerts for when doors or windows are opened or closed.

These sensors offer a wide detection range, ensuring reliable and accurate readings. They are battery-operated, using a CR2032 battery, which is included with each unit. The sensors also feature a low-battery indicator, notifying you when it's time to replace the battery.

The Sonoff SNZB-04 sensors can be integrated with various smart home platforms, such as Amazon Alexa, Google Assistant, and Apple HomeKit, allowing for voice control and hands-free operation. They can also be programmed to interact with other smart home devices, such as lights, locks, and sirens, for added convenience and security.

With their sleek design, easy installation, and advanced features, the Sonoff SNZB-04 sensors are an excellent choice for anyone looking to add smart automation to their home. Whether you're looking to secure your home, save energy, or simply make your life more convenient, the Sonoff SNZB-04 sensors are a great investment.

The Sonoff SNZB-04 is a 4-pack Zigbee door and window sensor designed for smart home automation. Here are some pros and cons of purchasing this product:

1. Easy to Install: These sensors can be easily installed without the need for professional help. They can be paired with a Zigbee hub or gateway, such as the Sonoff Zigbee Bridge or Philips Hue Bridge, through the Sonoff app or the hub's interface.

2. Versatile: These sensors can be used as door or window sensors, and they can also be used as contact sensors for other objects. This makes them a versatile addition to any smart home setup.

3. Energy Efficient: The sensors operate on Zigbee technology, which is known for its low power consumption. This means that the batteries in the sensors will last longer, reducing the need for frequent replacements.

4. Compatibility: The Sonoff SNZB-04 sensors are compatible with various Zigbee hubs and voice assistants, such as Amazon Alexa, Google Assistant, and Apple HomeKit.

5. Affordable: These sensors are relatively affordable compared to other smart home sensors on the market.

1. Limited Functionality: The sensors themselves do not have any advanced features, such as temperature or humidity sensing. They are primarily contact sensors that detect when a door or window is opened or closed.

2. Battery Replacement: The batteries in the sensors are not rechargeable, so they will eventually need to be replaced. However, the low power consumption of Zigbee technology helps to extend the life of the batteries.

3. Hub Dependence: These sensors require a Zigbee hub or gateway to function, which can add to the overall cost of the system. Additionally, if the hub goes down, the sensors will not be able to communicate with other devices in the smart home network.

In conclusion, the Sonoff SNZB-04 4-pack Zigbee door and window sensors offer a cost-effective and versatile solution for smart home automation. They are easy to install, energy efficient, and compatible with various Zigbee hubs and voice assistants. However, they have limited functionality and require a hub to function, and the batteries will eventually need to be replaced.

If you are looking for affordable and versatile smart home sensors, the Sonoff SNZB-04 4-pack Zigbee door and window sensors are a good choice. However, if you require more advanced features, such as temperature or humidity sensing, you may want to consider a more expensive option. Additionally, if you do not already have a Zigbee hub or gateway, you will need to factor in the cost of purchasing one.

Details:

Key Features: Real-Time Alerts: Instant notification when doors or windows open close, Smart App Contro l: Monitor your home remotely through the mobile app, Zigbee Connectivity: Stable and energy-efficient wireless connection, Easy Installation: Simple peel-and-stick mounting, no tools required, Compact Design: Small discreet for any door window frame, Multi-Pack Value: Includes 4 sensors multiple entry points. This 4-pack smart contact sensor set helps you monitor doors and windows in real time. Their compact and lightweight design allows them to blend discreetly with any door or window frame. Strong: Enhance your home security with the SONOFF Zigbee Door and Window Sensors.

When a door or window is opened closed, the sensor instantly sends alerts to your smartphone through connected smart home app, helping you keep safe at all times. Designed for seamless integration with Zigbee smart home systems, these sensors are easy to install and require no complicated wiring. Perfect for homes, apartments, offices, and other indoor spaces where security monitoring are important. Perfect for improving home security, automation routines, and peace of mind when you are away.

part #: snzb04 prices

• $14.99-$16.89

specifications secimotions:

• brand: Sonoff
• mpn: Snzb-04
• power source: Battery
• smart home compatibility: Alexa, Google Home
• type: Door Contact
• item height: 40 Cm
• connectivity: Zigbee
• features: App Control, Real-time Alerts, Easy Installation
• country of origin: China

general secimotions:

• condition: New
• Surveillance Smart Home Electronics > Home Surveillance > Sensors Motion Detectors

offer secimotions:

• quantity: 20
• options: Ship-to-home
• sold: 0
• started: April 4, 2026
• availability: In Stock

payments secimotions:

• wallet: Apple-pay
• credit card: Discover
• other

returns secimotions:

• paid by: Seller
• time: 60 Days
• method: Money back
• policy: Returns Accepted

seller secimotions:

• city: Charlotte, North Carolina
• # reviews: 151
• rating: 98.1%

shipping secimotions:

• transit: 4-10 Days
• service: Standard, Expedited
• type: Fixed
• cost: $6.99
• class: Standard, Expedited

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