Wireless remote control doorbell circuit encoded by the transmitting and receiving encoded signal composed of two parts,remote control doorbell transmitter encoded by the firing circuit and switch circuit modulation coding,the remote control signal sent by the remote control code remote control doorbell signal receiver to receive circuit.detector receiver circuit by circuit,amplifier circuit,decoding circuit,and music composed of four parts doorbell.In part by the decoder chip decoding of the part of the decoder outputs to trigger the trigger chip music doorbell doorbell client generated music