【2K 8CH Expandable WiFi Camera System】This cameras for home security system built-in 12.5" LCD Monitor. The security camera and NVR monitor are auto-paired during the factory setting. Just need to connect the wireless cameras and NVR Monitor with Power Supply. Expandable by up to 8 cameras, this surveillance system offers easy setup and scalability. | 【AI Human Motion Detection & Smart Light Alarm】Equipped with advanced AI Human Detection technology, our security cameras system intelligently recognize body shapes and facial patterns. When triggered by human motion events, the wireless outdoor cameras activates a smart light and sound alarm, featuring built-in bright white lights and a high-pitched siren. This outdoor security camera system provides dual protection, ensuring peace of mind day and night. | 【2 way Audio & Remote Access】With built-in microphone and speaker, our ZOSI security camera indoor system facilitate clear communication with your household. Use the ZOSI Smart App to remotely check in on family members, communicate with pets, or greet visitors.Enjoy free access to live view and playback on your mobile phone from anywhere, ensuring you never miss a moment with remote and local playback features. | 【24/7 Recording with 1TB Hard Drive】Our ZOSI wireless cameras for home security system features a robust 1TB Security Grade Hard Drive for dependable 24/7 recording. It supports uninterrupted, extended recording and backup capabilities. The NVR is designed to automatically overwrite the oldest stored footage, or you can conveniently transfer video files via USB to a memory stick or external hard drive, ensuring keep all the video datas. | 【Important Noted】The surveillance & security cameras and the NVR require the power connection. They are not Battery Cameras.Wireless security cameras connect wirelessly to a NVR. They are designed for continuous recording,which requires them to be plugged in to a power source.