Hikvision DS-2CD3143G2-ISU 4MP Vandal WDR Fixed Dome IP Camera Dual-Microphone
Wide Dynamic Range (WDR) 120 dB. Lens Type Fixed focal lens, 2.8, 4, and 6 mm optional. Iris Type Fixed. Built-in Microphone: Arrayed dual-microphone. Region Of Interest (ROI) 5 fixed regions for main stream and sub-stream.