Discover this 5 in.x19 in. fermentation heating wrap with a digital thermostat. It offers precise temperature control, adjustable from 32–107°F (0–42°C), perfect for year - round kombucha, beer, wine, and mead brewing. The easy - to - use digital controller has simple buttons and auto - memory. The extra - large heating belt distributes heat evenly, preventing fermentation stalls. Made of waterproof and flame - retardant materials, it's safe around liquids. With an adjustable strap, it fits tightly on 1 - gallon jars and carboys. Besides brewing, it can be used as a seedling heat belt for gardening. This multi - purpose heater brings convenience to both brewing enthusiasts and gardeners, ensuring successful projects with its reliable performance.