The ELK-124 v.3 is a new and enhanced 8 channel recordable voice module. It's ideal for applications such as telephone on-hold announcements, security and access control warnings, museum narrations, and more. Each channel can hold up to 1 minute of recorded voice and/or music with a combined total record time of 8 minutes. Recording is quick and easy using the built-in microphone and push to record button. A line-level output jack allows connection to external amplifiers, audio equipment, and paging systems. It features convenient channel activation switches and the ability to play each channel once or to repeat endlessly. Each channel will accept a momentary trigger. Built-in condenser microphone for recording. Adjustable speaker volume and current draw. Powerful 24 watt audio amplifier for Speakers. Line Level Output for Amplifiers and Paging Systems. PC sound card interface connector. Operating Voltage: 11 to 14 Volts DC. Current Draw: .2 to 2 Amps, (depends on volume setting and speaker loading). Sound Level: 122 db @ 1 meter, 14 vdc. Max. Speaker Loading: 4 Ohms. Max. Message Length: 1 minute per channel or 8 minutes for a combined single channel.