Sonic Alert Traditional System SA 201 Deluxe Remote Receiver

The Sonic Alert SA 201, with its sleek modern case, will alert you by flashing any lamp plugged into its plug outlet. The plug-outlet allows you to keep your table free of unsightly lamp cords.The signaling lamp can also be used for normal room lighting with the lamp's on/off switch. An indicator light reminds you to turn on the attached lamp.What else do I need to make this work?In order to be notified, you will need to purchase a signaler or transmitter that will activate this receiver (see Accessories).