Single Phase Electric Motor Siren Model Number Voltage Ideal Audible Range PC-MS-1S-050 12, 24, 110, 220/240V AC 0.5 Kms PC-MS-1S-100 12, 24, 110, 220/240V AC 1.0 Kms PC-MS-1S-200 12, 24, 110, 220/240V AC 2 Kms PC-MS-1D-200 12, 24, 110, 220/240V AC 2 Kms PC-MS-1D-325 12, 24, 110, 220/240V AC 3.25 Kms Electric Motor Sirens are … Continue reading Single Phase Sirens