Silent Under Pressure. Vitaquick pressure cookers are completely silent and steam-free under pressure, so less water, energy, and time are needed.Auto-Locking Handle with Visual Indicator. The handle automatically locks with an audible click when closed properly and features a visual indicator window that changes from red to green when securely locked. Pressure cannot build until the lid is properly locked and the visual indicator is green. Conical Design. Vitaquick has a conical pot shape, so that cookers of the same diameter may be stacked for space-saving storage without scratching or wedging. Cleaning Made Easy. Cleaning the maintenance-free main control valve simply involves rinsing the lid under running water, and does not require removal for cleaning in the dishwasher.Removable Lid Handle. The lid handle can easily be removed if desired with a simple thumbscrew.Min/Max Measuring Scale.The internal measuring scale is a fast and easy reference for pressure cooking beginners and pros alike.Fool-Proof Safety Lid. The completely redesigned lid has a positioning aid and simplified rim to ensure easy operation with one hand.CookStar All-Stove Base. The CookStar all-stove base, made of an extra-thick aluminum core and high-quality stainless steel, ensures that the base will never separate, warp, or develop hotspots, even on induction stoves. Lifetime Guarantee.