The Remote Receiver, model KA1000RR, is a flashing light signal indicator designed for use by individuals who are deaf or hard of hearing. This receiver has 16 different flash patterns to aid in identifying multiple alerts such as a doorbell, telephone, videophone, and emergency alarms. It connects to a standard table lamp and power outlet in any room of the home, apartment or office. This device can be used with the following units: KA300TX Transmitter, KA1000DB/DR Door Signaler Transmitter, and KA1000TR Telephone Ringer Transmitter. POWER: Plugs into a standard household outlet. WARRANTY: 1 year limited warranty.