海康威视 DS-2CE56D8T-VPITF 2 MP 超低光线球形相机产品介绍说明书 Key Features ● 2 MP high performance COMS ● Ultra -low light ● 1920 × 1080 resolution ● 2.8 mm, 3.6 mm, 6 mm fixed focal lens ● 130 dB true WDR, 3D DNR ● EXIR 2.0, smart IR, up to 30 m IR ...