






🚪🔒 Secure your space, smartly and effortlessly.
The THIRDREALITY Zigbee Contact Sensor 4 Pack offers professional-grade door and window monitoring with universal Zigbee compatibility, 2-year battery life, and seamless integration with Alexa and major smart home hubs. Designed for quick installation and enhanced with customizable Alexa routines and real-time app monitoring, it’s the smart security upgrade every modern home needs.







| Brand | THIRDREALITY |
| Item dimensions L x W x H | 1.97 x 0.83 x 2.36 inches |
| Item Weight | 0.29 Kilograms |
| Style | Door Sensor 4 Pack |
| Mounting Type | Door Mount |
| Specific Uses For Product | Contact Sensor |
| Manufacturer | Third Reality, Inc |
| Part Number | 3RDS17BZ |
| Item Weight | 10.2 ounces |
| Product Dimensions | 1.97 x 0.83 x 2.36 inches |
| Item model number | 3RDS17BZ |
| Batteries | 8 AAA batteries required. |
| Color | White |
| Power Source | Battery Powered |
| Item Package Quantity | 1 |
| Included Components | Door Sensor × 4; AAA Battery × 8; Double-sided Tape × 4; Screw × 8 |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |
| Description Pile | Alkaline |
| Average Battery Life | 2 years |
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