This is a professional and portable wiretapping device which allows you to listen to conversations through walls with a thickness of up to 40 inches. Special band filters let you adjust to the characteristics of the wall construction - whether it's concrete, wood, reinforced concrete, metal, brick or glass. This device enhances the sound quality to about 20 000 times.

An intuitive operation and a built-in battery that can operate for several hours, this device is perfectly suited for mobile wiretapping!