Finger Camera: Smart HD camera with 1920x1080 resolution, which can be used for shooting, recording and video recording. Free high definition player, plug and play.Two-way audio: The camera has a built-in high-definition noise-canceling microphone, which can transmit audio within a range of 10 meters. Two-way audio can be used for instant calls and can be used for live lessons, lines, conference recordings, etc.Live Streaming: You can send videos and audio files to PTMP real-time media servers, such as YouTube and Facebook, and use them for webcasting.LOOP RECORDING: You can set the recording time and time. When space is insufficient, the old video archive will be deleted automatically.