Green LED and audio muting feature also instantly lets you know if anyone is listening on another extension or even a “lineman's test set” outside your house. Override switch lets you continue your conversation, if desired, after you have been alerted. Telephone line powered, never needs batteries or power adapter. Simple modular connection to phone.

For single line phones only.

It is the user's responsibility to insure that conversations are only recorded in accordance with the law of the jurisdiction where the equipment is utilized.

Equipment is not to be used for the surreptitious interception of oral communications. All equipment is sold subject to public law, all state and Federal rules, regulations, etc.