【Human & Vehicle Detection with Instant Alerts】Capable of distinguishing between human, vehicles, and other objects, this system sends push notifications only when motion is detected, ensuring you stay informed without being overwhelmed by unnecessary alerts. 【IP66 Weatherproof & 80ft Night Vision】Built with high-quality materials for reliable rust prevention, this system is suitable for both indoor and outdoor installations. Equipped with 24pcs IR LEDs and an automatic IR-CUT filter, it delivers sharp, crisp images day or night with a powerful night vision range of up to 80 feet. 【Remote Access & Playback】Manage all security cameras from anywhere using the ZOSI Smart app. Whether checking on your home or business, enjoy instant remote access, live viewing, and smooth video playback on your smartphone or tablet whenever you have an internet connection. 【H.265 3K Lite 8CH Expandable System】Experience ultra-long recording with advanced H.265 technology, which doubles data compression while maintaining high video quality. This 8-channel 4-in-1 DVR supports TVI, CVI, CVBS, and AHD analog cameras, allowing you to expand the system by adding up to 4 additional 1080p security cameras as needed. 【Built in 500GB Security Grade Hard Drive】Enjoy ultra-long continuous recording with the pre-installed 500GB hard drive. The surveillance system supports automatic overwriting of the oldest footage for uninterrupted recording, or you can easily back up important files via USB to an external hard drive or memory stick. ZOSI 3K Lite Security Camera System: 4-Camera 1080p HD Surveillance with AI Detection, 500GB HDD & H.265 Compression Protect your home or small business with the ZOSI 3K Lite Security Camera System—a complete, affordable surveillance solution that delivers crisp 1080p HD video, intelligent AI detection, and reliable 24/7 recording. This all-in-one system includes four weatherproof indoor/outdoor dome cameras with 80ft night vision, plus an 8-channel H.265+ DVR pre-loaded with a 500GB hard drive. With smart human and vehicle detection, remote access via the ZOSI Smart app, and expandable design, you get professional-grade security without monthly fees. Perfect for monitoring entryways, driveways, backyards, garages, or retail spaces. Complete Package Includes 1 x 8-Channel 3K Lite DVR with Pre-Installed 500GB HDD (H.265) 4 x 1080p HD Indoor/Outdoor Dome Cameras (IP66 Weatherproof) 4 x 60ft All-in-One Video/Power Cables 1 x Mouse, Power Adapters, Mounting Screw Kits, and Quick Start Guide Ideal For Homeowners, renters, and small business owners seeking a complete, budget-friendly 4-camera security system with smart AI detection, reliable night vision, and expandable storage—all with easy installation and no recurring fees. Perfect for monitoring front doors, driveways, backyards, garages, basements, offices, and retail stores. Technical Specifications Camera Resolution: 1080p Full HD (2MP) DVR Channels: 8 (expandable with up to 4 additional cameras) Video Compression: H.265 Night Vision Range: Up to 80ft Weatherproof Rating: IP66 (cameras) Hard Drive: 500GB pre-installed (supports larger HDD, sold separately) Compatible Formats: TVI, CVI, CVBS, AHD (4-in-1) Remote Access: ZOSI Smart app (iOS & Android) Key Benefits Summary Smart AI distinguishes humans & vehicles, reduces false alerts Instant push notifications only for meaningful motion IP66 weatherproof dome cameras for indoor/outdoor use 80ft night vision with 24 IR LEDs & IR-CUT filter Free remote access & playback via ZOSI Smart app H.265 compression doubles storage efficiency 8-channel 4-in-1 DVR, expandable with 4 additional cameras 500GB pre-installed HDD for 24/7 continuous recording USB backup for easy evidence export Zero monthly subscription fees Important Notes This is a complete wired surveillance system. Cameras require connection to the included DVR via the provided BNC+power cables. A monitor or TV is needed for initial setup (not included). The 500GB hard drive is pre-installed and ready for immediate recording. For optimal AI detection, position cameras to avoid direct glare and excessive motion from non-critical areas. Expansion cameras must be compatible analog 1080p models (TVI/CVI/AHD/CVBS). Not compatible with IP, PoE, or wireless cameras. Hard drive can be upgraded to larger capacity (up to 8TB, sold separately).