Features: DMX512 wireless receiver transmits standard DMX512 protocol data 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 channel jumping frequency automatically 126 channel jumping frequency automatically, ensure works reliability. 7 groups code settable,User can use 7 groups individual wireless net without any interfere each other in the same place. ( Tricolor LED displaying Indicators ) Specifications: Component:Plastic+Aluminium Input voltages: 5VDC 500mA MIN Receive Sensitivity: -94dBm Transmitting power rate: 20dBm Communication distance: 400M ( visible distance ) Work frequency section: 2.4G ISM, 126 channel.frequency section Item size: Approx. 21x2.5x2.50cm/8.26x0.98x0.98in Package Includes: 1 Set Wireless Receiver note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.