Half a croissant, on a plate, with a sign in front of it saying '50c'
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Doorbell Monitor

 For those who refuse to wait idly for visitors.
 
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This would be a small device that would attach to your doorbell chimes and send a signal to a remote chime (similar to a child monitor). The remote chime could be run by battery or could have a plug that flips up (in the same manner as many rechargeable flashlights, or torches, as some prefer), and would be instantly portable.
—Salted Nuts, Jul 16 2003

Bakedingdong http://www.lordhenry.ws/battery.htm
Includes one with a belt clip [Helium, Oct 04 2004, last modified Oct 21 2004]

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       I think you mean doorbell ring extension.
—sartep, Jul 16 2003
   

       so.. a wireless doorbell ? very much baked, positively roasted.
—neilp, Jul 16 2003
   


 

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