Small in size, easy to suit for interior of accessed lighting. Single key to operate, tricolor LED displaying. Transmitting standard DMX512 protocol data of controller, also can transmit lighting and lighting DMX512 protocol data. 126 channels automatically jumping frequency, high anti-jamming ability to working reliability. 7 groups ID code settable, user can use 7 groups individual wireless system without any interference with each other in the same place. Input voltage: 5VDC Work frequency section: 2.4GHz ISM band, 126 channels frequency section Max transmitting power rate: 20dBm Receiver sensitive: -94dBm Signal port: RS485 or CPU series port AURT. Operating manual: ID code and LED color corresponding correlation: 1:RED 2:GREEN 3:RED+GREEN = YELLOW 4:BLUE 5:RED+BLUE = PURPLE 6:GREEN+BLUE = CYAN 7:RED+GREEN+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 litght up: no DMX or wireless signal Flashing red LED: sending Flashing green LED: receiving Colour: green Material: PCB+plastic+metal Package Contents: 20 x Wireless DMX512 PCB Module Board 20 x Antenna 20 x Connecting wires Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.