【H.265+ 16CH 3K Lite 4-IN-1 HD-TVI DVR】Embrace cutting-edge technology with our H.265+ DVR that offers double the data compression ratio, ensuring high-quality video even with low bit-rate. Maximize storage space and enjoy ultra-long recording with this 16-channel 4-in-1 DVR that supports analog, HD-TVI, CVI, and AHD cameras. It provides the flexibility to add 16pcs 720P or 1080P CCTV security cameras to meet your surveillance needs. | 【Pre-installed a 4TB hard drive】Our DVR comes pre-installed with a 4TB security hard drive (cameras not included). The DVR can be set to automatically overwrite the oldest internally stored footage or transfer video files via USB to a memory stick or external hard drive for added convenience. | 【AI Human/Vehicle Detection】Rest assured with our AI-powered detection system that accurately identifies and notifies you of any presence of people or vehicles. Stay connected and monitor your surroundings with our free app, allowing live view and playback on your smart devices anytime, anywhere. | 【Privacy Protection & Instant alerts】Receive instant push notifications and email alerts when the camera detects human movement. Customize specific motion detection areas for each camera to minimize false alarms and prioritize the areas you want to monitor, ensuring privacy protection. | 【Customize Each Camera with Different Record Modes】Our ZOSI DVR offers 4 recording modes to meet your needs: continuous recording, scheduled recording, motion detection recording, and recycle recording. Customize each camera with different recording modes and easily download the recording files for USB backup.