Intelligent 220v power failure alarm caller alarm device farm power failure alarm can charge sound and light alarm

Product parameters:

1. All MCU computer intelligent design, not a simple switching circuit;

2. Power failure, calls were alarm, automatic reset;

3. Third gear adjustable volume, the environment is different, the volume on-demand adjustment, an important occasion necessary equipment;

4. Built-in high-performance rechargeable battery, power failure after a continuous alarm time of more than 8 hours;

5. Intelligent sound and light alarm, the first continuous alarm, and then intermittent alarm, if not reset in time will not drain the battery;