Additional Details ------------------------------ Bullet point: 4K Ultra HD NVR: 3TB HDD Preinstalled, 16 Channel, Maximum capacity 2x10TB. Record and view video up to 4K (8MP) resolution. View live footage in up to 30fps and digitally zoom in on distant objects for better clarity. Security grade hard drive designed for advanced processing and the workload of 24/7 recording. Storage mirroring for continuous back-up of data from one hard drive to another.