The UltraClear Sound Shaping Emergency Connect Telephone, model CS-CSC50-ER, is an amplifier telephone and an emergency alert system designed for use by individuals who are deaf or hard of hearing. This system includes a desktop telephone with a wristwatch-style remote control. In the event of an emergency, the user presses a button on the wrist control to remote-dial up to six emergency contact numbers. The telephone has 50+ decibels amplification, UltraClear sound shaping tone control, a strobe light ring flasher, a super-loud ringer, caller ID, a phonebook, and a speakerphone function. WARRANTY: Optional 1-year extended warranty on parts and labor.