Ferment and Rise Bread Dough – Make Yogurt – Melt ChocolateTemperature range: 70 – 120°F (21 – 49C); Typical humidity 60-80%. The Folding Proofer provides accurate temperature control in a sleek countertop appliance that folds down flat for storage. With a temperature range of 70-120F / 21-49C and optional humidity, it is perfect for a wide range of applications.Complete control. Foolproof temperature management. Predictable results.Foods made in the Folding ProoferReinforced polypropylene body; Aluminum water trayClosed (outside dimensions):18 x 14.5 x 2.75″; Open (inside dimensions):15 x 12.5 x 8.5120V only; 30-day money back guarantee; 1-year warranty.