Wireless DMX512 Transceiver PCB Module 126 Channels Stage Light Transceiver Module Board with Antenna Input voltage: 5V DC 200mA MIN Communication distance: 400M ( visible distance ) Work frequency section: 2.4G ISM Maximum transmitting power rate: 20dBm Receiver sensitive: -94dBm Signal port: 3pin female plug Material: copper Modules board size: 7 * 1.8cm/2.75 * 0.7in ( L * W ) Item weight: 21g/0.74oz Operating manual: ID code and LED color corresponding relationship: 1: RED 2: GREEN 3: RED+GREEN 4: BLUE 5: RED+BLUE 6: GREEN+BLUE 7: RED+GREEN+BLUE Press key 1 time to indicate ID setting, press again to set IC. Working condition: LED constant lit up: no DMX or wireless singal. Red LED flash: transmitting. Green LED flash: receiveing total 126 channels, it’s searching automaticly. ID Code- “1-7” groups ID code，press ”KEY” for setting. Establishing Communication: Power on. Communication was established correctly then.