求翻译：120MM直径，大外观方形机，外观可以选银色，黑色，紫色，采用4颗2W 第四代节能红外灯：采用铝基板，发热量少寿命强，夜视效果强，夜视距离可达到100米，镜头6-8-12-16-25MM可选：电源12V2A，适合于光线昏暗 或全无光线的室外环境 对要求较高的工程可以一较高低是什么意思？

120mm diameter and appearance of the square machine, appearance can choose silver, black, purple, 4 2w fourth-generation energy-efficient infrared light: with aluminum plate, less heat, life, night vision, night vision range up to 100 meters, the lens of 6-8-12-16-25mm Optional: power 12v2a, for the

Large diameter, 120 MM look Square, appearance can be selected silver, black, purple, and with the 4 4 2 W generation energy in the infrared light: aluminum base plate, heat, and less life night vision effect, night vision lenses up to 100M, 6 - 8 - 12 - 16 - 25 MM optional: Power 12 2 A V, suitable

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120MM diameter, large appearance square machine, appearance can selected silver, black, purple, used 4 star 2W fourth generation energy saving infrared lamp: used aluminum base board, heat less life strong, night depending on effect strong, night depending on distance can reached 100 m, lens 6-8-12-

The 120MM diameter, the big outward appearance square shape machine, the outward appearance may choose the silver, the black, the purple, uses 4 2W fourth generation of energy conservation infra-red lamp: Uses the aluminum foundation plate, calorific capacity few life, night vision effect, the night