The sensor on this audio gadget senses the vibrations hitting the walls, ceiling and floor and amplifies them so that you can hear what is being said or done. If the waveband is low, lower frequency, then you can use the dial located at the back of this CoolCat amplified contact mic to adjust the volume and increase the sensors amplification.
- listening probe
- contact mic to hear vibrations off walls, doors, or windows
- powerful micro amp
- SD card slot for recording
- high / low frequencies