The BroadLink FastCon SR4D Smart Door and Window Sensor provides reliable entry detection for home security systems. Using magnetic contact sensing technology, it monitors the open or closed status of doors, windows, cabinets, and drawers in real time.
Designed for easy integration with the BroadLink FastCon app via RF communication, this wireless anti-theft sensor delivers prompt notifications and status updates to help protect your home.
- Connectivity: FastCon RF communication for stable wireless performance
- Application: Suitable for doors, windows, and entryways
- Power: Operates on 2 AAA batteries (not included)
- App Control: BroadLink FastCon App compatible
| Model Number | SR4D |
| Brand | BroadLink |
| Communication Method | RF |
| App Control | BroadLink FastCon APP |
| Compatibility | All Compatible |
| Power Source | 2 x AAA Batteries (not included) |
| Camera Equipped | No |
| State of Assembly | Almost Ready |
| Weight | 0.12 kg |
| Certifications | CE, FCC, RoHS, WEEE |
| Country of Origin | Mainland China |
















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