Its design is based around an integrated circuit that ensures a very high sensitivity. Any sound will be captured by its microphone and will activate its output relay which can handle loads up to 3A. It has many applications such as controlling a tape recorder in seminars or class rooms (the recorder will start recording only when the speaker begins speaking). Voltage: 12VDC (regulated) @ 100mA. Power supply not included.
Recommended power supply: CK277 kit.
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