The ProX X-SPACEX RX is a Wireless Receiver 2.4G DMX-512 USITT.  Operating as a transmitter or a receiver 16 groups ID code LED Matrix display displays the ID number 16 groups ID code for settingAAA Working frequencyAAA2.4G ISM,126 channels Up to 900 wireless feet (open line of sight)Operating as a transmitter or a receiver 16 groups ID code LED Matrix display displays the ID number 16 groups ID code for settingAAA Working frequencyAAA2.4G ISM,126 channels Up to 900 wireless feet (open line of sight).