2.4Ghz Wireless DMX Transmitter/Receiver 1.16 groups ID code for setting 2.Receive sensitive:-94dBm 3.9-12VDC LD-6204204Ghz DMX Wireless transmitter ... Specification:wireless dmx 512 transmitter1. IDEAL FOR BARS, DISCO HALLS, SMALL SHOWS, CABARETS, MUSIC SHOPS, MOBILE DJs, etc.2. ... press “ID” key to set ID code, receiver and transmitter must be the same ID value in the same grade ...