Included:

 

PS561 Voice Dialer/Console: Sounds it's loud (95dB) siren when it receives a wireless signal from the TT-100. Armed and disarmed with the KR-10A. Dials up to 4 phone numbers and plays a pre-recorded 15 second message in your voice. Has a microphone to let you listen-in to your home.

TT-100 Wireless Transmitter: Sends a wireless signal to the telephone dialer.

KR-10A Key Chain Remote: Arms and disarms the telephone dialer.