【VGA to BNC Adapter】- It is used to convert various images of the computer from 640x480 to 1920x1080, supporting NTSC or PAL video. | 【Application】- It provides a composite output format, can be used for applications such as video conferencing, home theater, lecture room or TV computer image conversion, etc. | 【HD Resolution】- Support high-resolution PC images input to SXGA (1920 60Hz). Support resolution from 640x480 to 1920x1080. | 【Features】- Automatically detect and converts incoming PC images to NTSC, PAL. | 【Operations】- 1. VGA input: VGA input port, connected to a PC or VGA generator. 2. Audio input: L / R - analog audio input port, connected to the computer's audio output port. 3. Video output: BNC output, connected to the BNC interface display. 4. Power supply: Connected to PC USB port. 5. PAL / NTSC format.