Radio Systems CT-2002 Studio Timer with 2-inch Tall Red Digits – No Power Supply. Power supply not included. Broadcasters large digital clock display with front panel mode switch to select on-the-fly between clock or timer. Ultra bright 2″ high digits, 14″ wide x 5.25″ tall, 3″ deep. Rear panel connector for remote control and serial data input. 10 hour 9V battery back-up. Supplied with wall mount brackets. This used studio timer has been tested to be in working order. &#######xA0; Please be sure to include a street address (not a PO Box) for any method other that US Postal Service. &#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B. &#######xA0;&#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B. Our customers are our highest priority. Media, Books, and Software are non-refundable.