This wireless transmitter / receiver can help you to get rid of countless wire.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 in real time and reliable.This product adopts a 2.4G ISM frequency section.High effective GFSK modulate, communication design; 126 channels jumping frequency automatically, high anti-jamming ability, to ensure that 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)Specifications:Input voltage: DC 5v 500mA minPower: 0.2w/pcs2.4G wireless DMX512 T/RCommunication distance: 400 meters/ 1312.3ft (visible distance)Working frequency section: 2.4G ISM, 126 channels frequency sectionRotation angle of antenna: 90 degreeMax transmitting power rate: 20dBmReceive sensitivity: -94dBmDMX connector3pin male and 3pin femaleMaterial: Iron & ZincItem color: SilverWarranty: 1 yearItem size one piece: 21 * 2.5 * 2.5cm/ 8.3 * 1 * 1inL * W * HItem weight one piece: Approx.70g/ 2.5ozPackage size: 24.5 * 14.5 * 8.5cm/ 9.6 * 5.7 * 3.3inL * W * HPackage weight: 790g/ 27.9ozNotes1. This item is for indoor use only, non-waterproof.2. Please do not rotate the antenna at random.Package list:1 * DMX transmitter4 * DMX receiver5 * Power adapter1 * Instruction