1. Use 2.4GHz ISM frequency band. 
2. 250 m transmission range without any holdback. 
3. 8 groups of selectable channels, it can effectively avoid the interference from router and other wireless device. 
4. Support 1 group of AV signal input/ output. 
5. Keep Transmitter and receiver setting at the same channel, it can support 1 transmitter and more receivers at the same time. 
6. Support DVD, DVR, IPTV, CCTV Camera, Satellite receiver, Digital STB/Cable Box and other AV output devices. 
7. Support superheterodyne 433MHz infrared remote signal transmission, while Compatible for 38KHz infrared carrier control signal. 
8. Transmitter have built-in infrared signal emission or infrared transmission extension cable, so that you can do remote control the signal from DVD, DVR, STB, IPTV, and other device. 
9. Supports video transmission of PAL/ NTSC system and stereo audio transmission, Pictures received are clear, flamboyant and stable. 
10. Full hardware design without installing any software, plug and play, simple and convenient. 
11.Fashionable design, Machine dimensions: 10 cm × 8.5 cm × 3.0 cm.