The most elegant design in piezo version. A high-performance security device that minimizes consumption and guarantees, thanks to its new double-piezo circuit, a high sound power. A self-supplied sounder that functions with Pb or Ni-MH battery, allowing high levels of versatility and adaptability to any kind of needs.
Positive and negative control
Settable optical ON/OFF signaling
2 programmable sounds and 2 timings settable by dip switch