DMX512 Wireless Receiver,2.4G ISM,126 channel,400M communication distance,3pin XLR connector *Model:CB-CM02* ... Work frenquency section:2.4G ISM,126 channel frequency section(jumping frenquency automaticly)*7 groups ID code ... engineer,dealer,and final customers. LED lighting controller(wireless receiver,126 channel,XLR connector)