M-435P Microcassette Voice Recorder - Battery level indicator provides visible indication of battery power remaining. - Up to 24 hours battery life. - Built-in speaker has excellent quality to monitor tape playback. - One-touch recording for simplified, quick play/record operation. - Cue and review with slide control provides sound during fast forward and rewind. - Automatic shut-off at end of tape reduces mechanical wear and conserves battery power. - 2-speed record/playback. - DC-in jack for 2-way operation using replaceable batteries or optional AC adaptor. - Hinged battery lid helps prevent accidental loss.