10 Sec Recording Module (1.7" across X 1" thickness) 3 position slide switch (record / off / play) to make it easy to record on and operate (instructions below) works perfect with talking plush toys embedded Flash memory so the recording is saved for a long time even if you take the battery out Built-in microphone and LED recording indicator. Operation: Record: Slide the switch to the "REC" position. Press and hold the spring loaded top of the white case. While the LED recording indicator is on, speaks to the built-in microphone about 8-10cm away with a normal speaking volume. Release the top to end recording. (Recording automatic stops when memory is full.) Play: Slide the switch to the "PLAY" position, and press the top of the housing to play. Off: for battery conservation. message will remain (even if the battery is out) 2 x AG13 (LR44) batteries (included and installed)