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 yearLength of antenna: 8.7cm/3.4inItem size of transmitter: 2 * 12cm/ 0.8 * 4.7inD * HItem size of receiverone piece: 2 * 8.5cm/ 0.8 * 3.3in (D * H)Item weight of transmitter: Approx.67g/2.4ozItem weight of receiver (one piece): 45g/ 1.6ozPackage size: 16.9 * 16.5 * 6.3/6.7 * 6.5 * 2.5inL * W * HPackage weight: 499g/17.6oz Notes1. This item is for indoor use only, non-waterproof.2. Please do not rotate the antenna at random. Package list:1 * DMX transmitter3 * DMX receiver4 * Power adapter1 * Instruction