Product Overview: Reolink RLK8-520D4 home security system with 8-channel NVR and 4 outdoor cameras. Key Features: Dual detection zones, motion detection, and vehicle detection alerts. Performance: Supports high-resolution recording with continuous 24/7 monitoring. Storage: Includes 2TB HDD for video storage. Connectivity: Wired PoE system for stable connection. Usage: Suitable for home surveillance systems.