xmartO WG3034 2k Security Camera Outdoor, AC Powered Security Camera Outdoor Wireless WiFi with 2-Way Audio, Night Vision Motion Detection Notification,Cloud and SD Card Storage2K Full HD WiFi Camera with 2 way Audio, a ideal Wi Fi camera for home or business. This is the 2021 model xmartO add on Stanalone camera with 2K HD resolution and 2 way audio. It can Work Alone, in Group, or Add on to NVR. As standalone camera, it can work without NVR. In the APP, you can group up to 16 cameras to a Multi View. As add on camera, you can add it to your exsising system with the NVR WNQ28. You can Share camera with multiple families &