Fearture:

1. work as a standalone alarm hub or wireless siren.
2. 20 wireless defense zones.
3. At most 5 wireless remote controllers.
4. Alarm with both voice prompts and quick flash strobe.
5. Wireless learning code：adding new accessories, convenient , safe and efficient
6. One-key-control function: Remote control  to Arm/emergency alarm/disarm
7. Built-in rechargeable Lithium battery