1. Transmit audio and video signal2. Frequency range: 2. 400GHz - 2. 483GHz3. Preset 4 channels to avoid interference4. 433MHz IR extender to remote control AV products5. Transmission distance: 100 meters(without obstacle)6. Lower power consumption7. No need software8. The transmitter can connect with camcorder, vidicon, VCD/DVD, satellite receiver, STB, speaker, sound-card of computer, microphone, etc and any other AV devices with audio and video jack,and transmit AV signal to receiver9. The receiver can connect with TV set, LCD display, portable DVD, computer, speaker, etc and any other device with audio and video jack10. Power requirement: Receiver: 9V/300mA output AC adapter Transmitter: 9V/300mA output adapter