The Multi-Messager USB is a solid-state digital message repeater that installs easily into any messaging application that requires triggered or timed message play. The Multi-Messager will play up to 99 MP3 files encoded in a wide variety of bit rates from 8Kbps up to near CD-quality rates of 128Kbps.Messages are triggered either by the eight contact inputs on the rear of the unit or utilizing itís built-in interval timer circuit. A wide variety of features such as an active output can be tied to LEDs or relays for activation when a message is playing or a stop trigger to terminate message play. A built-in 12VDC auxiliary output allows motion detectors or heat sensors to be powered from the unit. All incoming triggers can be configured for normally-open or normally-closed triggering, as well as play once or play continuous. A rotate feature can be activated on the unit allowing for a different message to be played each time the main trigger is activated. Programming of features is extremely easy by using the manual and setting the DIP switches on the bottom of the unit.