[Expandable 8CH, 2K] Hiseeu 3MP WiFi Security Camera System Outdoor/Indoor, 4pcs Pan 180°View Cameras, 2-Way Audio, WiFi 8 CH NVR System, Night Vision, Home WiFi Surveillance Cameras, 1TB Hard Drive. Pan 180° Super wide viewing angle & HD 3 Megapixel? The angle of view of the camera lens is 90° and the mount of the ...