Description
The SONOFF SNZB-04PR2 SenseGuard DW Gen2 is a smart Zigbee door and window sensor designed to enhance home security and automation. It detects the opening and closing status of doors and windows in real time, sends instant notifications to your smartphone, and can trigger smart scenes such as alarms, camera recording, lighting control, and energy-saving automations. The second-generation design features a slimmer profile, flexible installation options, tamper protection, and easily replaceable AAA batteries.
Key Features
- Zigbee 3.0 wireless communication.
- Instant door and window status notifications.
- Built-in tamper alert for added security.
- Supports smart automation scenes.
- Slim and discreet design.
- Flexible horizontal and vertical installation.
- Powered by 2 × AAA batteries.
- Up to 3 years battery life.
- Compatible with Home Assistant, Zigbee2MQTT, SmartThings, Alexa, and Google Home through supported Zigbee hubs.
- Supports door, window, cabinet, drawer, safe, and refrigerator monitoring.
Specifications
| Specification |
Details |
| Model |
SNZB-04PR2 |
| Product Series |
SenseGuard Series |
| Wireless Protocol |
Zigbee IEEE 802.15.4 |
| MCU |
TLSR8656F512ET32 |
| Input Voltage |
3V DC |
| Battery Type |
2 × AAA (LR03) |
| Battery Life |
Up to 3 Years |
| Detection Distance |
Up to 30mm (Horizontal Installation) |
| Operating Temperature |
-10°C to 60°C |
| Operating Humidity |
5% – 95% RH |
| Housing Material |
PC |
| Weight |
45.1g (Including Batteries) |
| Transmitter Dimensions |
90 × 26 × 13.5 mm |
| Magnet Dimensions |
31 × 14 × 6.5 mm |
Why Choose SONOFF SNZB-04PR2?
- Improved second-generation design with easier installation.
- Standard AAA batteries for simple replacement and lower maintenance costs.
- Tamper detection enhances security against unauthorized removal.
- Works seamlessly with Home Assistant and Zigbee2MQTT.
- Suitable for doors, windows, cabinets, safes, refrigerators, and more.
- Supports advanced smart home automations and security scenarios.
- Reliable local Zigbee communication without depending on Wi-Fi.
