Ultra long distance 6-Channel 1080P NVR Wireless Security Camera System 2TB HDD with 4PCS Weatherproof Two-Way Audio Cameras

Notice: Wireless means that the camera connects wirelessly to nvr, while the nvr and camera still need to be powered from a nearby outlet via the included power adapter. Powerful Wireless Technology (Wi-Fi HaLow™  Standard)First-ever wireless security system which utilized Sub-1GHz wireless signal standard. Increase the wall penetration and maximize wireless range. Smart Human DetectionWith AI human detections algorithm, the camera will recognize human figure instantly and send alerts to your mobile phone Two Way AudioBuilt-in microphones and speakers allow you to communicate with people in front of the camera no matter where you are. Free APP Available On Free US Shipping - Available in the contiguous U.S. only