🚪 SONOFF SNZB-04P Zigbee Door/Window Sensor
Smart. Secure. Seamless.
Keep your home safe and connected with the SONOFF SNZB-04P, a compact and reliable Zigbee 3.0 sensor designed to monitor doors and windows with precision. Whether you're automating scenes or enhancing security, this sensor is your go-to solution for smarter living. 🏠🔐
🌟 Features
-  🔧 Plug & Play Zigbee 3.0 Instantly integrates with Home Assistant via ZHA or Zigbee2MQTT—no coding required! 
-  🔋 Ultra-Long Battery Life Powered by a CR2477 battery, offering 5+ years of operation without frequent replacements. 🔄 
-  🚨 Tamper Alert Built-in tamper detection sends instant notifications if the sensor is disturbed—peace of mind, 24/7. 📲 
-  📡 Local Scene Linkage Even if Wi-Fi goes down, Zigbee local scenes stay active—ensuring uninterrupted automation. ⚡ 
-  📏 Compact Design Transmitter: 50.5×32×21.9mm Magnet: 27×12×12.4mm Perfect for tight spaces and discreet installations. 🧩 
🧠 Smart Applications
-  🏡 Front door / back door monitoring 
-  🪟 Window security 
-  🖥️ Office automation 
-  🚪 Cabinet or drawer alerts 
-  🛡️ Restricted area access (e.g., prisons or labs) 
Specification
| MCU | EFR32MG22 | 
| Input | CR2477(3V) | 
| Colour | White | 
| Product dimension | Transmitter(50.5x32x21.9mm)Magnet(27x12x12.4mm) | 
| Net weight | 33g | 
| Casing materials | PC | 
| Wireless connection | Zigbee 3.0 IEEE802.15.4 | 
| Pairing time | 180s | 
| Communication distance | Indoor environment 30m | 
| Applicable place | Indoor | 
| Installation distance | ≤20mm | 
| Working temperature | -10°C ~ 60°C | 
| Working humidity | 5-95%RH, non-condensing | 
| Working height | Less than 5000m | 
Hardware Overview
| ①Transmitter | ②Button | ③LED indicator(RED) | 
| ④Battery cover | ⑤ALignment mark for installation | ⑥Magnet | 
Application
-  🧠 Smart Home Automation Seamless integration with your connected living space. 
-  🚪 Entry Points Monitor front doors, backyards, and gates for enhanced security. 
-  🪟 Windows Detect unauthorized access or environmental changes. 
-  🖥️ Office Spaces Secure cabinets, meeting rooms, or sensitive equipment zones. 
-  🛡️ Restricted Areas Ideal for high-security zones like prisons, labs, or data centers. 
Part List
| Transmitter | x1 | 
| Magnet | x1 |