N9 Audio Monitor, Audio Surveillance Device, ABS Black Professional Portable for Car Anti-theft Alarms(U.S. regulations)

Price: $20.63
(as of Feb 26, 2023 19:24:16 UTC – Details)

Automatic monitoring function, as long as the normal exceed 40dB volume iswithin 10 meters, the product will start an alarm, it will automatically call back, dial or send a text message to the bound number in turn.
Support for setting multiple groups of numbers, the device will call back one by one, and there will be no errors or omission of emergency feedback, support for private rights protection, only the bound number can be operated.
Professional dual microphone design, the two microphones can work independently or cooperate with each other. HD sound quality, imported voice chip, seamless intercom.
You only need to dial the number of the SIM card installed in the device, then you can hear the sound within 10 meters near the device within a few seconds.