SONOFF SenseGuard DW Gen2 – Door/window opening sensor, Zigbee, white (SNZB-04PR2)
Brand:
Sonoff
The SNZB-04PR2 SenseGuard is SONOFF’s second-generation Zigbee door and window sensor, providing reliable and fast status monitoring for homes or small business environments.
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The SNZB-04PR2 SenseGuard is SONOFF’s second-generation Zigbee door and window sensor, providing reliable and fast status monitoring for homes or small business environments. The sensor instantly detects changes in open/closed status, making it highly effective for smart security systems, alarms, and energy-efficient automations such as controlling heating, lighting, or cameras when a door or window is opened.
As part of the improved SenseGuard series, the SONOFF SNZB-04PR2 offers a more stable connection, more accurate detection, and longer battery life. Its compact design and simple adhesive installation allow it to be easily mounted on almost any door, window, cabinet, or other openable surface. It also features tamper protection, which immediately alerts users if someone attempts to remove the device. Thanks to its low power consumption, it can operate for up to three years on two AAA batteries without maintenance.
With Zigbee connectivity, the device connects to a compatible hub and provides instant notifications while also enabling automation triggers. It is an ideal choice for users looking for an easy-to-install yet reliable opening sensor for their smart home system. It is compatible with environments such as Home Assistant and can be easily integrated into cloud platforms like Alexa and Google Home via the eWeLink app.
About the SONOFF Brand
SONOFF is a widely recognized smart home brand offering reliable and cost-effective automation devices. Its product range includes Zigbee and Wi-Fi-based sensors, relays, and switches, primarily operating via the eWeLink platform, while also supporting integration with various other systems.
Main Product Features
- Door and window detection: Accurate and reliable status monitoring.
- Zigbee 3.0 connectivity: Stable, low-power communication.
- Fast event detection: Instant feedback on open/close events.
- Long battery life: Up to 3 years of operation with battery power.
- Compact design: Discreet appearance in any environment.
- Easy installation: Adhesive mounting, no wiring required.
- Versatile use: Suitable for doors, windows, cabinets, and other openable objects.
Smart Home Protocols and Platform Compatibility
- Protocol: Zigbee 3.0
- Native platform: eWeLink app via Zigbee hub
- Cloud platforms: Alexa and Google Home integration via eWeLink
- Third-party systems: Compatible with Home Assistant (ZHA, Zigbee2MQTT)
- Voice control: Supports Alexa and Google Assistant (via hub)
Smart Features
- Real-time status monitoring: Check open/closed state via app.
- Instant notifications: Push alerts when opened or closed.
- Automations: Trigger actions such as turning on lights or activating alarms/cameras.
- Event history: Track opening and closing events.
- Local operation: Fast, low-latency control via Zigbee hub.
- Sharing: Device access can be shared with multiple users.
Additional Features
- Installation: Adhesive mounting for quick setup.
- Design: Two-piece magnetic sensor.
- Application: Indoor use.
- Reliability: Stable Zigbee connection via hub.
Technical Specifications
- Product name: SenseGuard DW Gen2
- Product family: SenseGuard Series
- Product type: Zigbee Door/Window Sensor
- Model: SNZB-04PR2
- MCU: TLSR8656F512ET32
- Power supply: 3V DC
- Battery type: 2 × LR03 (AAA)
- Communication: Zigbee (IEEE 802.15.4)
- Net weight: 45.1 g (with batteries)
- Color: White
- Dimensions: Sensor: 90 × 26 × 13.5 mm; Magnet: 31 × 14 × 6.5 mm
- Housing material: PC
- Application area: Indoor
- Operating temperature: -10°C ~ 60°C
- Operating humidity: 5–95% RH, non-condensing
- Certifications: CE / FCC / RoHS
- FCC ID: 2APN5-SNZB04PR2
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Weight:
58 g/pcs
