1. Small in size, easy to suit for interior of accessed lighting. 2. Single key to operate, tricolor LED displaying. 3. Transmitting standard DMX512 protocol data of controller, also can transmit lighting and lighting DMX512 protocol data. 4. 126 channels automatically jumping frequency, high anti-jamming ability to ensure working reliability. 5. 7 groups ID code settable, user can use 7 groups individual wireless system without any interference with each other in the same place. How to connect the DMX wireless circuit board: Red wire: 5V + DC power Black wire 1: 5V - DC power Black wire 2: Interface 1 / Ground (GND) Blue wire: Interface 3 Yellow wire: Interface 2 This connection method is suitable for 99% of DMX devices. If it does not work properly, please swap the connection of the blue and yellow wires. Colour:As shown Material:PCB Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 3 x Wireless DMX512 PCB Module Board 3 x Antenna 3 x Connecting wires