3K Lite 16CH Expandable: ZOSI 3K Lite 16CH security camera system supports analog HD-TVI CVI AHD cameras. You can add more 720P or 1080P bullet or dome cameras if you need. It provides crystal-clear video quality with its 1080P weatherproof surveillance cameras. Whether it's for your home, business or outdoor areas, you can rely on this system to capture every detail. | AI Human/Vehicle Detection: Experience peace of mind knowing that our advanced AI-powered detection system can accurately identify and alert you to any human or vehicle. With this feature, you'll never miss a potential threat and can take appropriate action promptly. | IP66 Weatherproof & 80ft Night Vision: Designed to withstand even the harshest weather conditions, these cameras are made of durable aluminum metal. With their rust-resistant construction, they can be safely mounted both indoors and outdoors, ensuring continuous monitoring no matter the environment. With 24 in-built infrared LEDs and the camera's automatic IR-CUT filter, you can see clearly day or night, up to 80 feet in complete darkness and 130 feet in ambient light. | Privacy Protection & Remote Access: You can block out select areas on each camera. This is to grant privacy in situations. People can not view of certain areas or activities. You can remote access at any time, anywhere on smartphone, tablet and PC, so you’ll never miss out on a moment with remote and local playback. | Built in 2TB Security Grade Hard Drive: It support ultra-long continuous recording and backup by USB. This 16CH DVR can be set to automatically overwrite the oldest internally stored footage or you can transfer those video files by USB to a memory stick or external hard Drive.