The CHAUVET DJ D-Fi USB 2 X4 wireless transceiver pack gives you the freedom of wireless communication between your devices. With no dipswitches to worry about, setting up channels is a breeze and compatible with D-Fi XLR devices. Transfer DMX, ILS and master/slave signals between similar fixtures and eliminate the need for DMX cables. The transceivers plug directly into USB and ILS-compatible equipment and work without an external power supply. Completely FCC and RED compliant, the D-Fi USB 2 X4 pack operates on the 2.4GHz band with an output of 12.72dBm and a range of up to 165' in open areas. The D-Fi USB 2 X4 transceivers offer powerful wireless capability in a portable package.