Set of 3 EZSound Module - Light Activated Module can be recorded from videos, sound files (any format), voice recordings, phone messages, etc No software required - works with any device such as Mac, PC, Iphone, Ipad, Tablet, Android, MP3 player, etc Module can hold up to approximately 100 seconds of recording Module comes with double-sided audio adapter to record Re-record as many times as you want / need