An electronic siren with many applications. One of the output sounds is a single tone, while the others are polyphonic resembling the sounds of FBI, POLICE, or AMBULANCE sirens. The output can be connected to a loudspeaker or a horn-speaker of 8-25 Ohm impedance. Ideal for alarm systems in every situation. Output power: 8W Operating Voltage: 9 - 15 VDC Recommended Powersupply: B 1063 PCB-Size: 51mm * 52mm