An Amazing Audio Surveillance Kit

The ETS SMI5 is a 4 zone audio surveillance system that is designed to connect directly to audio recorders, video recorders, CCTV monitors (with a built in speaker), remote monitoring equipment, and more.

4 Zone Audio Surveillance Kit W/ SM1 Microphones, SMI4 Interface Box, and Accessories

This audio surveillance kit includes 4 of the SM1 microphones as well as the SMI4 interface box to allow the microphones to interface with a DVR or other recording equipment.

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