






🔐 Stay connected, secure, and smart—because your home deserves the future today!
The THIRDREALITY Zigbee Contact Sensor 4 Pack offers reliable door and window monitoring compatible with major Zigbee hubs and Echo devices. Featuring a compact design, 2-year battery life, and hassle-free setup, it empowers users to create custom Alexa routines and monitor home security seamlessly through the upgraded Third Reality app.







| Manufacturer | Third Reality, Inc |
| Part number | 3RDS17BZ |
| Item Weight | 290 g |
| Product Dimensions | 5 x 2.1 x 6 cm; 290 g |
| Batteries | 8 AAA batteries required. |
| Item model number | 3RDS17BZ |
| Color | White |
| Style | Door Sensor 4 Pack |
| Material | Plastic |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Plug Profile | Door Mount |
| Specific uses | Contact Sensor |
| Included components | Door Sensor × 4; AAA Battery × 8; Double-sided Tape × 4; Screw × 8 |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |
| tech_spec_battery_description_toys | alkaline |
| Battery life | 2 years |
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