他们还包括双向音频，以太网供电，SD记录卡，运动检测，背光补偿功能。
They also include two-way audio, power over Ethernet, SD card recording, motion detection, and backlight compensation.
它现在，内置自动背光补偿功能，激活每当相机自动检测拍摄对象是在背光。
It now features an automatic backlight compensation function that activates whenever the camera detects the subject is in backlight.
该相机在背景光强烈的情况下还具有智能背光补偿优化、色阶调整的功能。
The cameras also feature smart backlight compensation to optimize light levels in scenes with bright backgrounds.
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