【5MP High-Definition Surveillance】: This NVR kit features a 10-channel 5MP main unit that provides high-definition image preview, recording, and playback. With infrared night vision capabilities of up to 30 meters, it ensures clear and detailed video footage day and night. 【Intelligent Human Detection and Playback】: Equipped with person detection and customizable monitoring areas and time settings, this system allows for precise monitoring. The intelligent playback function enables easy searching and playback of video footage involving human activity. 【Enhanced 2-way Audio and Alarm Features】: The cameras are equipped with built-in microphones, while the NVR features a 3.5mm audio output for two-way audio communication. The system supports mobile push notifications for alarms via the app and email. Email alerts also include snapshot images for quick reference. 【Reliable WiFi Connection】: With plug-and-play functionality, this system eliminates the need for video cables (power cables for cameras are still required). The wireless point-to-point connection uses a private protocol for stable and reliable transmission. It can reach distances of up to 300 meters in open spaces and up to 1000 meters with wireless cascading and relay functions. The NVR supports both wired and WiFi connections to the internet. 【Versatile Storage and Durable Design】: The system supports both local and cloud storage, with a maximum capacity of 10TB for local hard drive storage. It is compatible with Alexa for voice control. The cameras feature a full-metal IP66 waterproof rating and can operate in temperatures ranging from -20°C to 60°C. The H264+ intelligent encoding reduces the storage space required on the hard drive.