- Home Page /
- Electronics /
- Security & Surveillance /
- Home Security Systems /
- SONOFF SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window...
0 ratings
Item #:
212223121
SONOFF SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window Contact Sensor, Open/Close Monitoring, Tamper Proof, Phone Alert, Home Security Alarm, Works
85% of respondents would recommend this to a friend
Item #:
212223121
XCD 148
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Saturday, September 05
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Monitor door or window open/close status via App and receive instant phone alerts.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
Zigbee Connectivity
Utilizes Zigbee technology for reliable wireless home automation, ensuring stable connections with Home Assistant and Alexa for seamless smart home integration.
Real-Time Alerts
Sends instant open/close notifications to your smartphone, enhancing security by keeping you informed about door and window activity in your home.
Tamper Detection
Incorporates a tamper alert feature that notifies you if the sensor is removed, providing additional peace of mind against unauthorized access.
Product Details
| Power Source | Battery Powered |
| Compatible Devices | Alexa, Home Assistant, SmartThings |
| Number of Batteries | 2 AAA batteries required. (included) |
| Control Method | App |
| Mounting Type | Door Mount |
| Sensor Technology | Contact Sensor |
| Item Dimensions L x W x H | 3.54"L x 1.02"W x 0.53"H (9 x 2.6 x 1.3 cm) |
| Brand | SONOFF |
| Item Weight | 0.22 kg |
| Manufacturer | SONOFF |
| Number of Items | 4 |
| Built-In Media | SNZB-04PR2 |
| Model Number | SNZB-04PR2 |
| Mfr Part Number | SNZB-04PR2 |
| Product Dimensions (L x W x H) | 3.54"L x 1.02"W x 0.53"H (9 x 2.6 x 1.3 cm) |
Who Should Buy?
-
Homeowners
Perfect for homeowners seeking an affordable yet effective security solution to monitor doors and windows.
-
Smart Home Users
Ideal for users already in the smart home ecosystem, integrating seamlessly with Home Assistant and Alexa.
-
Families
Great for families looking to ensure the safety of their children by monitoring access points in the house.
-
Renters
Not suitable for renters who may not be able to install permanent monitoring devices without landlord permission.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Do I need a hub to operate the sensor?
Answer: Yes, the sensor requires a Zigbee hub to function. -
Question:
Can I install the sensor on any type of door or window?
Answer: Yes, it supports both horizontal and vertical installations for various door and window types. -
Question:
How does the tamper alert feature work?
Answer: The built-in tamper button sends real-time alerts to your phone if the device is removed.
SONOFF Home Security Systems SNZB-04PR2 Editorial Review
SONOFF SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window Contact Sensor is an excellent addition for anyone looking to enhance their home security system. This 4-pack allows for open/close monitoring of doors and windows with the convenience of app control, ensuring peace of mind. Users have reported the sensors work great with Home Assistant, providing instant alerts and helping automate home lighting. The compact design and strong adhesive mounting showcased in reviews make installation simple, although some users noted occasional reliability issues with state detection. Yet, the versatility in compatibility with Alexa and SmartThings underscores its performance in a smart home ecosystem.
Customer Reviews & Ratings
193 customers ratings
-
5 Star
66%
-
4 Star
13%
-
3 Star
1%
-
2 Star
4%
-
1 Star
16%
Review this product
Share your thoughts with other customers
Pros
- Compatible with multiple smart home systems
- Strong adhesive for easy mounting
- Instant alerts via Home Assistant
- Compact and easy to install design
- Battery powered with included batteries
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
XCD 148
Order now and get it around Saturday, September 05
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Accurate monitoring of open/close status via a user-friendly app.
- Receive instant notifications on your phone for enhanced security.
- Powered by long-lasting AAA batteries for reliable performance.
- Built-in tamper alert feature for real-time security updates.
- Easily integrates with various Zigbee ecosystems including Alexa and SmartThings.
- Versatile installation options fit most doors and windows, ensuring optimal security.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.