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Sonoff SNZB-04PR2 Door/window sensor Gen2
If you are interested in more details, you can find full information on the seller's page.
€13.63
Last price update: 10/20/26
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United States
United States
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Product details
Features
- Powered by 2 × 1.5 V AAA batteries; battery life up to 3 years under typical use.
- Communication range: 100 m in open area.
- Detection distance: 30 mm for horizontal installation; 15 mm for vertical installation.
- Transmitter size: 90 × 26 × 13.5 mm; magnet size: 31 × 14 × 6.5 mm.
- Detachable magnet supports horizontal or vertical mounting.
- Detects door/window open-close status and tampering; eWeLink app notifications are available for removal or tampering.
- Supports Alexa and Google Home; Apple Home support is via Matter Bridge.
- Compatible platforms: eWeLink, Home Assistant, Zigbee2MQTT, SmartThings, Alexa, and FRITZ.
- Can trigger smart scenes, including turning on cameras, sending alerts, turning off thermostat devices, or switching off lights.
- Zigbee 3.0 wireless protocol; requires a Zigbee 3.0 gateway.
Door/window sensor using Zigbee 3.0, with open-close and tamper detection. It requires a Zigbee 3.0 gateway and is powered by 2 × 1.5 V AAA batteries; battery life is up to 3 years under typical use.
- Communication range: 100 m in open area.
- Detection distance: 30 mm for horizontal installation and 15 mm for vertical installation.
- Transmitter: 90 × 26 × 13.5 mm; magnet: 31 × 14 × 6.5 mm. The detachable magnet can be mounted horizontally or vertically.
- Supports eWeLink notifications for removal or tampering, Alexa, Google Home, and Apple Home via Matter Bridge.
- Compatible with eWeLink, Home Assistant, Zigbee2MQTT, SmartThings, Alexa, and FRITZ; can trigger the listed smart-scene examples.
General specs
- Brand: Sonoff
- Model: SNZB-04PR2
- Seller: Banggood
- ID: 2050768
- Brand: SONOFF
- Generation: Gen2
- Model Name: SenseGuard DW Gen2
- App Support: eWeLink; app notifications for removal or tampering
- Magnet size: 31 × 14 × 6.5 mm
- Battery Life: Up to 3 years under typical use
- Model Number: SNZB-04PR2
- Power Supply: 2 × 1.5 V AAA batteries
- Product Type: Door/window sensor
- Magnet mounting: Horizontal or vertical; detachable magnet
- Transmitter size: 90 × 26 × 13.5 mm
- Wireless Protocol: Zigbee 3.0
- Apple Home support: Via Matter Bridge
- Detection Distance: 30 mm for horizontal installation; 15 mm for vertical installation
- Communication Range: 100 m in open area
- Detection functions: Door/window open-close detection and tamper detection
- Gateway requirement: Zigbee 3.0 gateway required
- Compatible Platforms: eWeLink, Home Assistant, Zigbee2MQTT, SmartThings, Alexa, and FRITZ
- Voice Assistant Support: Alexa and Google Home
- Supported automation examples: Can trigger smart scenes such as turning on cameras, sending alerts, turning off thermostat devices, or switching off lights
- First listed by seller: October 20, 2026
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| Brand | Sonoff | Sonoff | Sonoff | Sonoff | Jinvocloud | Gaoducash |
| Model | SNZB-04PR2 | DW2 | DW2 | DW2 | Contact Sensors 001 | WiFi Door Alarm |
| Price | €13.63 | €28.98 | €18.76 | €52.86 | €12.47 | €12.87 |
| Seller | Banggood | Banggood | Banggood | Banggood | Retailer | Retailer |
| Update | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 | May 7, 2026 | May 3, 2026 |
| Model Name | SenseGuard DW Gen2 | DW2 | DW2 | DW2 | ||
| Product Type | Door/window sensor | Wi-Fi wireless door/window sensor | Wi-Fi wireless door/window sensor | Wi-Fi wireless door/window sensor | ||
| Gateway requirement | Zigbee 3.0 gateway required | No gateway required. | No gateway required. | No gateway required. | ||
| Pack | 5pcs | 3 pcs | 10pcs | |||
| Connectivity | Wi-Fi, IEEE 802.11 b, 2.4 GHz. | Zigbee | Wi-Fi | |||
| Quiescent current | ≤ 40 μA. | ≤ 40 μA. | ≤ 40 μA | |||
| Material | PC V0. | PC V0 | Plastic | |||
Sonoff SNZB-04PR2
€13.63
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