Power Dialer - Demon Fast-Auto Speed Phone Dialer -The Relentless Busy Dialing machine by Technology Arts. Condition is Used. Cleaning out my closet. I used to get my camping reservations and win radio contests with this! I'm the original owner. It has been in the closet for a few years but worked perfectly when it was put away (we no longer have a landline which is required for use). Shipped with USPS Priority Mail.