Guardian HDVR 4/8 Security Surveillance System

Selling a Guardian Smart Vision Series Security Surveillance System, HDVR 4/8 model. Opened it and tested but never use it. It is old so no apps for it. Features include: - IVS (Intelligent Video Analysis System) - High Definition and Hybrid - Remote Authorization - Connect up to 4/8 cameras - Adjustable brightness, contrast, saturation, and sharpness - Full NTSC display - Multiple display mode - High performance freeze capture Included in the box are 4 infrared cameras, video cables, and mounting hardware