The product on this page comes with a 13 months **from the date of purchase regardless of brand new or used products. This product is only for the parent unit without a child console. All instructions are included except for the extension console and extension phone chargers. Since it is only the parent unit without a child console, a phone book function (transfers from the subconsole) is not available. The following registration functions can be used on the main unit. The one-touch dial function allows you to register the other part of the main unit to send out a warning message before the call is sounded. ·Time only) ● Up to 300 telephone numbers can be registered in "Reject junk calls"