This highly sensitive contact amplifier can listen to conversations through up to 30cm of solid concrete, complete with earphones, wall contact microphone & recording socket.
** The Spy devices we sell are not intended for illegal use or for causing harm. We do not take any responsibility for damage or harm caused by misuse of these products. The user/purchaser takes full responsibility to obey all effective & relevant laws in his/her country, which may prohibit usage of such a product.
This highly sensitive contact amplifier can listen to conversations through up to 30cm of solid concrete, complete with earphones, wall contact microphone & recording socket.
** The Spy devices we sell are not intended for illegal use or for causing harm. We do not take any responsibility for damage or harm caused by misuse of these products. The user/purchaser takes full responsibility to obey all effective & relevant laws in his/her country, which may prohibit usage of such a product.