• Key quality pictures by digital recording • Up to 4.2 terabyte expansion method with optional component units • Four virtual recording systems in on HDD for individual location • 720H x 480V (frame) or 720H x 240V (field) sampling pixels selectable • Four programs / five timer schedules per recorder • 3D scan conversion for stable freeze frame picture • Optional remote controller WV-CU50 is available for easy operation