Smart Door & Window Security Sensor
Description
SPECIFICATIONS
Battery model: LR03 AAA*2
Brand Name: SONOFF
Casing material: PC
Certification: CE,RoHS
Communication method: Zigbee
High-concerned chemical: none
Input: 3V
MCU: TLSR8656F512ET32
Model Number: SNZB-04PR2
Origin: Mainland China
Product dimension: Transmitter: 90*26*13.5mm Magnet: 31*14*6.5mm
Product name: SenseGuard DW Gen2
Product series: SenseGuard series
State of Assembly: Ready-to-Go
Working humidity: 5%-95% RH, non-condensing
Working temperature: -10℃-60℃
Zigbee: IEEE 802.15.4
SONOFF SNZB-04PR2 SenseGuard DW Gen2 Zigbee Door/Window Sensor Active Security With Tamper Alerts Matter Bridge Via Apple Home
SONOFF SenseGuard DW Gen2 Zigbee Door/Window Sensor | SNZB-04PR2
*Zigbee gateway is needed.
SenseGuard DW Gen2- Zigbee Door and Window Sensor
Slim by Design, Strong on Security.
Size Shrinked, Performance Advanced
Flexiable Installtion to Fit More Doors & Windows
Note: The detection range is 30mm when the magnet is installed horizontally, 15mm when installed vertically.
Intrusion Detected, Protection Activated
If forced open, SenseGuard DW Gen2 instantly triggers automation to set your entire home defense in motion. The gateway switches to armed mode, alarms sound, and cameras start recording automatically.
Check the Tamper Status Anytime via App
Also A Companion for Energy Saving！
Use door and window status over time as a smart trigger—so your devices such as a thermostat turn off automatically when windows are left open, saving energy without extra effort.
Guard More Than Doors & Windows
*Matter Bridge: ZBBridge-U, iHost, Cube OS with SONOFF Zigbee Dongle
SPECIFICATIONS
Battery model: LR03 AAA*2
Brand Name: SONOFF
Casing material: PC
Certification: CE,RoHS
Communication method: Zigbee
High-concerned chemical: none
Input: 3V
MCU: TLSR8656F512ET32
Model Number: SNZB-04PR2
Origin: Mainland China
Product dimension: Transmitter: 90*26*13.5mm Magnet: 31*14*6.5mm
Product name: SenseGuard DW Gen2
Product series: SenseGuard series
State of Assembly: Ready-to-Go
Working humidity: 5%-95% RH, non-condensing
Working temperature: -10℃-60℃
Zigbee: IEEE 802.15.4
Shipping
We take great care in preparing and delivering your order.
Processing Time
Orders are usually processed within one business day. After your order has been shipped, you will receive a shipping confirmation email. Tracking information may be included when available.
Estimated Delivery
Most orders arrive within 3-5 business days. Delivery times may vary depending on your location and the carrier's operational schedule.
Free Worldwide ShippingEnjoy free shipping on all orders, worldwide. 🌎🚚
Returns
Your satisfaction is our top priority, and we want you to feel confident shopping with us. If something isn't right, you can request a return or refund within 30 days of delivery.
How to Start a Return
Just contact our support team and we will guide you through the process. We will make sure it is simple and hassle-free.
Refunds
Once we have processed your return, your refund will be issued to the original payment method, typically within 5-10 business days.
Detect open states instantly
Zigbee connection
Requires a Zigbee gateway for use.
Tamper status checks
Check tamper status anytime in the app.
Energy-saving trigger
Use open-window status to automate devices.
Ready to go
Comes ready for simple setup.
Fit more openings easily
Frequently Asked Questions
Everything you need to know before placing your order.
Benefits you'll love
Secure Checkout
Safe and easy payments every time
Customer Support
Friendly help whenever you need it
Fast Delivery
Get your order delivered quickly
Easy Returns
Shop with confidence, hassle-free