Features: 1[Stable And Long Distance] HD Multimedia Interface extender helps you wirelessly transmit HD HD Multimedia Interface sound, video signals from an HD Multimedia Interface source to an HDTV, monitor or projector up to 200 meters away. Provides more stable and longer distance signal transmission. 2[Prevent Interference] Wirelessly transmits HD Multimedia Interface signals up to 200 meters in an open environment. The signal passes through the wall without stress. Adopt 2.4G, 5G wireless high speed transmission signal, strong anti interference ability and stable signal. Transmission bandwidth 4MBps?7MBps. 3[With Dual Antennas] Wireless HD Multimedia Interface extender has external dual antennas that enhance the signal strength and make video transmission more stable. It can be widely used in office presentation, lecture, education, conference hall, home entertainment, etc. 4[Easy To Use] The dual antenna wireless HD Multimedia Interface extender significantly improves the quality and reliability of the wireless link. The transmitter supports local HD Multimedia Interface signal loop out, with lossless signal and no latency. Driver free, plug and play. 5[Premium Video Quality] HD Multimedia Interface transmitter receiver with H.265 video encoding supports lifelike HD video up to 1080p at 60HZ with automatic adjustment for the best video, sound experience. Support DTS Sound, DTS HD, PCM, LPCM sound formats. Package included: 1 x HD&nbspMultimedia&nbspInterface Transmitter 1 x HD Multimedia Interface Receiver 4 x Antenna 2 x Power Adapter 1 x User Manual