Listen Through Walls device delivers great audio when listening through walls. Extremely easy to operate, this device is suitable for basic surveillance needs such as listening through apartment building walls made of wood, concrete, stucco, drywall or any other sound-conducive material. Simply place the device to the wall, with the high-sensitivity metal probe against the wall's surface, and hear the sounds in the next room as if you were there.
The device contains a built-in rechargeable battery and comes with a charger. A set of plug-in headphones is also included.