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The SONOFF SNZB-04P is a compact, wall-mounted contact sensor designed for doors and windows, featuring a 5-year battery life powered by a CR2477 lithium battery. It supports Zigbee 3.0 protocol for seamless integration with popular smart hubs, offers tamper alerts and real-time app notifications, and enables local smart scene automation to keep your home secure and connected even during network outages.




| Number of batteries | 1 Lithium Metal batteries required. (included) |
| Voltage | 3 Volts |
| Control method | App, Voice |
| Mounting type | Wall Mount |
| Maximum range | 3 Metres |
| Sensor technology | Contact Sensor |
| Global Trade Identification Number | 06920075740646 |
| Manufacturer | SONOFF |
| Part Number | SNZB-04P |
| Product Dimensions | 41 x 32 x 22 cm; 34.6 g |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Item model number | SNZB-04P |
| Wattage | 3 watts |
| Item Package Quantity | 1 |
| Included Components | SNZB-04P |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Manganese Dioxide |
| Average Battery Life | 5 years |
| Item Weight | 34.6 g |
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