内置变焦镜头，夜视距离达50米；

Built-in zoom lens, night vision distance of 50 meters;

youdao

内置进品夜视镜头，夜视距离达50米；

Built-in night vision products into the lens, night vision distance of 50 meters;

youdao

内置进品夜视镜头，夜视距离达50米；

Built-in night vision products into the lens, night vision distance of 50 meters;

youdao