Material and build 304 foodgrade stainless steel inner tank for safe, durable dough contact Thickened transparent PP insulation cover to help maintain stable temperatures Includes a twolayer proofing rack for flexible dough organization Temperature control and timing Temperature control range: 30 65 C Builtin timer: up to 24 hours Set the desired temperature and duration to suit your fermentation or proofing needs without constant monitoring Capacity and dimensions Large 5liter capacity Inner pot diameter: 29.5 cm Inner pot height: 12 cm Suitable for sizable batches to meet family baking needs Observation and visibility Transparent sealing cover provides clear visibility to monitor fermentation progress from any angle Practical use scenarios Sourdough starter fermentation: maintain a stable warm environment to promote consistent starter activity Dough proofing for large loaves: use the space and twolayer rack to proof multiple dough portions with even warmth Batch fermentation or warmth for meal prep: prepare and hold fermented dough or prepped dough safely until baking time