150 second multipurpose sound voice recorder kit rvfm k01 b p a kit of components to build a circuit that provides up to 150 seconds of recording time p p the circuit uses the aplus apr33db voice recording and playback ic it offers true single chip voice recording non volatile storage and playback capability for 150 seconds all functions are controlled by switches recording is via an on board microphone or a line in connection p rvfm multipurpose 150 second recorder kit