An embodiment of the present invention provides a lighting apparatus comprising : a lighting module having a lighting unit which emits light to the outside and an outer case which contains a power supply control unit with a connector; and a communication module penetrating the outer case on the lighting module and connected to the connector with an attachable and detachable method in order to transmit a control signal transferred from a wireless network to the power supply control unit. Therefore, the present invention can detach a communication module to be preserved when replacing a lighting unit of the lighting module by enabling a wireless communication module to be attached and detached to the lighting module, thereby reducing costs. In addition, the present invention can easily fasten the detachable communications module by forming in a doggle type to insert the communication module via the outer surface of the lighting module.COPYRIGHT KIPO 2014