I-View EC-2MIPN 2-Megapixels Day/Night Box IP Camera - Manual (Page 31)

quality will be worse when image change rate is high.
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Picture Capture: Click this button to enable snapshot function, it allows to setup the video quality,
snapshot speed and snapshot from which video streaming.
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Audio Capture: Click this button to setup the audio recording, it supports the gain from 1-100.
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Audio Encode: Click this button to setup the audio encode, there are 2 audio codec (G7.11/AAC.)
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PTZ setup: You can setup the PTZ protocol via RS-485 interface.
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