NOTE:  Each Transmitter or Receiver Led Power Supply  1T AND 1R=1pc Transmitter+1pc Receiver  1T AND 2R=1pc Transmitter+2pcs Receiver  1T AND 3R=1pc Transmitter+3 pcs   Receiver  1T AND 4R=1pc Transmitter+4 pcs   Receiver  1T AND 5R=1pc Transmitter+5 pcs   Receiver  1T AND 6R=1pc Transmitter+6 pcs   Receiver  1T AND 7R=1pc Transmitter+7 pcs   Receiver    This wireless receiver/transmitter can help you to get rid of countless wire. And it is quite convenient to use since male plug can be match with many female plug.  Features:  DMX512 wireless receiver/transmitter transmits standard DMX512 protocol data ( generated by console ) by wireless way.  No time delay when signal data is transmitting, signal data is real time and reliably.  This product adopts a 2.4G ISM frequency section.  High effective GFSK modulate,communication design; 126 channels jumping frequency automatically, high anti-jamming ability.  126 channels jumping frequency automatically, high anti-jamming ability, to ensure works reliability.  7 groups ID code settable,User can use 7 groups individual wireless net without any interfere each other in the same place. ( Tricolor LED displaying Indicators )  Specification:  2.4G wireless DMX512 R/T  Input voltage: 5VDC 500mA MIN  Receive Sensitivity: -94dBm  Max transmitting power rate: 20dBm  DMX connector: 3pin male, 3pin female  Communication distance: 400M ( visible distance )  Work frequency section: 2.4G ISM, 126 channels.frequency section  Plug standard: US, EU plug ( optional )  Material: zinc alloy + plastic  Item size: 21 * 2.5 * 2.5cm/8.26 * 0.98 * 0.98in ( L * W * H ) ( 1pc )  Cable length: 107cm/3.51ft  Item weight: 65g/2.29oz ( 1pc )  Package size: 14.5 * 10.5 * 4.5cm/5.7 * 4.13 * 1.77in ( L * W * H )  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  1). Press momentary switch above the side led indicator to indicate ID setting.  2). Press again to set IC, to the color ID desired, adding 1 each time you press the switch will advance the color IDcode.  3). Working condition:  LED constant lit up: No DMX or wireless signal.  Red LED flash: Transmitting.  Green LED flash: Receiving  4) RF frequency 2.400 - 2.525G, total 126 channels, it’s searching automatically.  5). ID Code “1-7” groups ID code, press ‘KEY’ for setting, it only can work under same ID code of transmitter and receiver. ( Same LED Color )  Establishing Communication  1. Power on DMX512 wireless received board first and then following to power up the transmitted board.  2. Press “Key” button to set same ID value of transmitted board and received board. Please use different ID value if you need use more than 1 group wireless universals at same time in same place.  3. The red LED flashes when transmitter transmits DMX data by no interfered frequency section, then receiver changes communicated frequency section.