... VoF unit can transmit 1 line bidirectional digital video broadcasting, 1 line bidirectional high-fidelity audio, 1 line bidirectional asynchronous date,1 line 10/100M adapt ... connected easily and it can indicate power supply, link, video, also adjust video. There are three way installation kits available: desktop ... ,+24V+12,+5V optional power 5W (single terminal) Digital Video Transmitter and Receiver