الاجهزه الالكترونيات الامريكية قد تحتاج الى محمول فولت من ١١٠ الى ٢٢٠.قد تحتاج إلى محول كهرباء
مميزات خاصة
The shell is made of high-quality aluminum and coated with red paint to ensure excellent performance. The metal mesh cover installed in the two speakers protects the motor alarm.
There are four pre-drilled holes on the solid base for easy installation. After the tornado warning siren is connected to the power source, it can work.
The sound of this air alarm is very loud, about 120dB, which can be heard over a long distance (about 300m).
Air raid sirens are suitable for ships, mines, reservoirs and airports, and can be used for any purpose, such as warnings, signals and alarm horns.
Equipped with 400W 100% pure copper motor, high efficiency, speed 1000rev/sec, support the continuous work of industrial alarm.