ID code and LED color corresponding correlation: 1: RED 2: GREEN 3: RED+GREED = YELLOW 4: BLUE 5: RED+BLUE = PURPLE 6: GREEN+BLUE = CYAN 7: RED+GREED+BLUE = WHITE Press key 1 time to indicate ID setting, press again to set ID, then ID value adding 1 each time by press. Working condition: LED constant lit up: no DMX or wireless signal Red LED flash: transmitting Green LED flash: Receiving RF frequency------2. 400-2. 525G, total 126 channels, it is searching automatically. ID Code------1-7 groups ID code, press "Key" for setting, it only can works under same ID code of transmitter and receiver. Features : DMX512 wireless receiver/transmitter transmits standard DMX512 protocol data by wireless way, which solve lighting control issues of wireless transmitting completely between lighting controller and lighting, lighting and lighting and so on. It gets rid of relying on connecting cables completely.And also can ensure without any time delay when signal data is transmitting, signal data is real time and reliable. This product adopts global free 2.4GHz ISM frequency band. High effective GFSK modulation,communication design is 126 channels jumping frequency, high anti-jamming ability. Input voltage: 5VDC 500mA MIN Communication distance: 700M Work frequency section: 2.4GHz ISM band, 126 channels frequency section. Max transmitting power rate: 20dBm Receiver sensitive: -94dBm Signal port: 3 pin male plug (for transmitter) & female plug (for receiver) Application: Package List: 1 * DMX Transmitter( male plug For Console ) 3 * DMX Receiver( female plug For lighting ) 4 * Power Supply(AC110V-240V 50/60Hz)