• 1、On-board ISD1820 chip.
• 2、On-board microphone, can directly recording voice.
• 3、Can play a recording of10 seconds.
• 4、High-quality, natural voice restore, can be used as a propaganda module.
• 5、With a loop playback, jog play, single-pass playback mode.
• 6、The pins are leaded out , can control operating by microcontroller.
• 7、Working voltage: 3-5V.

Link Referensi : http://www.elecfreaks.com/wiki/index.php?title=Voice_Record_Module_-_ISD1820#Pin_definition_and_Rating