http://www.astsoundchip.com/recordable-sound-module/4244126.html

Product Description

Motion sensor sound chip

1. 30s or 60s recording time
2. 16kHz sampling rate
3. Motion activated
4. 57mm Diameter metal speaker
5. 3PCS AA Battery holder
It can be Used by many promotional products, such as POP Display, Promotional store.
When somebody walke front it, it will play the recorded message to attract the attention