New XLR 2.4GHz Wireless DMX Controller 1 PC Transmitter & 3 PC Receiver X-stick You can just plug the item into your DMX Controller or DMX lighting fixture, it will act as wireless DMX transmitter or receiver. That is it! The new features and benefits for the receiver is that there is extra power supply (adapter) included so that it can be used in any dmx lighting fixtures, and the second feature is that the LED indicator is flashing downward, this will help the user to identify the status of the unit when it is plugged to the lighting fixture which is hung up on the truss. Using global free license 2.4GHz frequency band, from 2400MHz to 2525MHz, 126 automatically jumping frequencies to ensure smooth communications among transmitters and receivers. The standard reliable and safe communication distance between our transmitter and receiver is 700 meters. Capable of setting up different configurations to meet different needs, like point to point, point to multiple or multiple to multiple. Both listed transmitter & receiver support up to 7 universes of DMX (512x7=3584 receivers).