Eavesdropping

the part I now have a bit longer in use (about three months) and it still works, do not need battery
but since it can be used directly into the wall socket, this could also be a problem without the outlet's nothing, so if you
constantly eavesdropping attack would make of his Babyle of a receiver needs what Mobiles So again part that goes with battery,
how big the range is from my system I can not say the room which is monitored is about from my room
5 meters.