【4-in-1 Hybrid Compatibility】This hybrid DVR supports 4 video formats (HD-TVI/AHD/CVI/CVBS). It provides you the flexibility to add 16pcs 720P/1080P analog security cameras. Note: This DVR is Not compatible with PoE, WiFi or SDI cameras. It is recommended that this ZOSI DVR can work with ZOSI CCTV cameras for perfect compatibility. 【16CH 4-IN-1 DVR with 4TB HDD】This 1080P 16-channel hybrid DVR maximizes your storage efficiency with advanced H.265+ technology, doubling compression rates while maintaining exceptional video quality. The pre-installed 4TB security-grade hard drive enables extended recording, with automatic overwrite function and USB backup capability for continuous surveillance. 【AI Human/Vehicle Detection】Experience true peace of mind with our AI-powered detection system that accurately identifies people and vehicles while minimizing false alerts. Receive instant notifications on your smartphone, allowing you to monitor meaningful activity and take immediate action when needed. Customize specific motion detection areas for each security camera to minimize false alarms and prioritize the areas you want to monitor, ensuring privacy protection. 【Remote Access Anytime Anywhere】Access your security system remotely through the free ZOSI Smart app. View all security cameras simultaneously on your smart devices, ensuring constant connection to your home or business from anywhere. 【Flexible Recording Modes】Customize your surveillance with four distinct recording modes: continuous 24/7 recording, scheduled time-based recording, motion-activated recording to save storage, and recycle mode for automatic overwriting. Tailor each security camera individually to match specific monitoring needs while maximizing hard drive efficiency through intelligent storage management. Professional 16-Channel Hybrid Surveillance DVR with AI Intelligence and Pre-Installed Storage Upgrade your security infrastructure with the ZOSI 16-Channel 1080P Hybrid DVR Recorder, a complete, intelligent recording solution engineered for reliability, compatibility, and smart management. Designed to support expansive analog camera systems, this DVR comes ready to use with a pre-installed 4TB hard drive, offering extended recording time and peace of mind for both home and business environments. Universal 4-in-1 Hybrid Compatibility Maximize your existing investments and enjoy flexible expansion with our versatile 4-in-1 compatibility. This DVR seamlessly supports four major analog video formats: HD-TVI, AHD, CVI, and CVBS, allowing you to connect and mix up to 16 channels of 720P or 1080P analog cameras. Please note: This unit is not compatible with PoE, WiFi, or SDI cameras. For optimal performance and perfect compatibility, we recommend pairing with ZOSI CCTV cameras. Advanced H.265+ Technology & Ample 4TB Storage Experience superior storage efficiency without compromising clarity. The advanced H.265+ compression technology doubles data compression rates compared to previous standards, significantly saving hard drive space while maintaining exceptional 1080P video quality. The integrated 4TB security-grade hard drive ensures prolonged recording coverage, featuring an automatic overwrite function in recycle mode and convenient USB backup options for critical footage. AI-Powered Human/Vehicle Detection Move beyond basic motion alerts with our sophisticated AI detection system. It intelligently differentiates between people, vehicles, and other movements, dramatically reducing false alarms caused by minor disturbances. Receive instant smartphone notifications only for relevant events, enabling you to respond promptly. Further customize surveillance by setting specific motion detection zones for each camera, focusing on critical areas and enhancing privacy. Remote Live View & Playback from Anywhere Stay connected to your property 24/7 with the free ZOSI Smart app. Access your live camera feeds simultaneously, review recorded footage, and manage system settings remotely from your smartphone or tablet, anytime and anywhere. Constant monitoring has never been more convenient. Customizable & Intelligent Recording Modes Tailor your surveillance strategy to meet precise needs with four flexible recording modes: 24/7 Continuous Recording: Uninterrupted coverage for maximum security. Scheduled Recording: Record only during set time periods to align with your operational hours. Motion-Activated Recording: Conserve storage by recording only when activity is detected, optimized further with AI filtering. Recycle Recording: Automatically overwrites the oldest footage when the hard drive is full, ensuring continuous operation without manual intervention. Your Complete, Reliable Surveillance Foundation The ZOSI 16CH Hybrid DVR combines broad camera compatibility, intelligent AI features, robust storage, and remote accessibility into a single, user-friendly system. It provides a powerful and reliable foundation for building a comprehensive, intelligent sec