monitoring device, it enables you to discreetly listen in on your premises
via regular telephone lines from any telephone in the world! It does not
affect normal incoming and outgoing calls, allowing up to 4 units per line
to be connected. The unit's sensitive microphone will pick up even a whisper
up to 35 feet away. To monitor, just dial your phone number from any telephone.
This is a completely self-contained unit; no actual telephone is required.
Equipped with modular plugs for instant connection to telephone jacks.
Size: 31/2" X 5'/2" X I".
cannotlisten to a telephone conversation with this unit.
you can dial the unit and listen to a conversation in the room where the
unit was placed.