Need quick answers about practical use? This video highlights the essentials. Join us for a complete walkthrough of the NovaDryer-HM400 4Kg countertop freeze dryer, where we demonstrate its one-key automatic operation, color touch screen interface, and real-time observation through the clear acrylic door. You'll see how this compact home unit preserves food safely with SUS304 stainless steel trays and learn about setup, operation, and key benefits like extended shelf life and nutrient retention.