The Motion Sensing Message Player can be used to record important messages or jokes or even as a security device. Leave a message just before you go out and when some one comes in the message will play automatically, use it to remind yourself of somthing [sic]important, you will be reminded just before you leave…The inbuilt sensor detects movement and plays the message, that you have recorded. Comes with a cradle, hanger and magnet on backside so you can fix it anywhere.