Digital Wireless Doorbell

<P>&nbsp;Frequency modulation&nbsp; door chime with LED flashlight&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </P> <P>one transmitter , one receiver&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </P> <P>3/16 chimes&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </P> <P>remote control range up to 100ms in open air&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </P> <P>Transmiter operated by 12V23A battery ,receiver operated by altermating current&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </P>