Hikvision iDS-2CD6810F/C Hikvision iDS-2CD6810F/C Dual-Lens People Counting Network Camera Specifications Max. resolution 640 × 960 Dual lens, dual CPU, support stereo views 2 mm/2.8 mm/4 mm lens, optional Efficient H.264 compression technology Flash memory storing people counting data 3D digital noise reduction 12 VDC/PoE