Step1: Take out the following 7PCS accessories. 1PC*DMX512 Transmitter Box 1PC*Antenna 1PC*6V1A DC Charger 1PC*DMX Connect Cable 1PC*USB-DMX512 Box 1PC*USB Connector 1PC USB Cabel Note: NO. 1-4 is a standard set of GF DMX512 transmitters; NO. 4-7 add laptop control software is a standard driver kit if you need control with the DMX512 [...]