1. Space-saving design that can be easily placed on the countertop. Can be used for fermenting sourdough starter, proofing bread/pizza dough, or gently tempering chocolate. Providing stable temperature, promoting starter activity and faster fermentation time, the controlled environment helps to enhance the flavor of homemade bread. 2. Made of kitchen-safe, BPA-free materials and equipped with low-power heating . Built-in overheat protection and automatic shutdown function to enhance the safety of use. Our sourdough fermentation mat can be used to ferment sourdough, defrost meat, soften butter, ferment yogurt, etc. 3. Fine-tunable within the range of 70-100 degrees Fahrenheit (21-38 degrees Celsius) with an accuracy of 1 degree Fahrenheit (1 degree Celsius). Even in winter, our sourdough starter incubator ensures stable temperature to ensure perfect fermentation. Keeping sourdough starter in the ideal range of 75-82 degrees Fahrenheit (23-28 degrees Celsius) accelerates fermentation and improves the taste of bread. 4. Designed for professional bakers, this large 4.53-inch heating area accommodates fermentation jars from 24 oz to 40 oz. The slim design makes it easy to store. Whether it is placed on the kitchen counter or in a drawer, it is ideal for small spaces while still delivering excellent baking results. 5. This sourdough heating pad is equipped with a 0-12 hour reservation and automatic shutdown timer to ensure perfect dough fermentation without constant monitoring. The memory function saves your last settings - temperature, time and schedule - and restarts with just a touch. This sourdough heating pad is perfect for sourdough, pizza dough or yogurt, ensuring easy and even fermentation every time. Voltage: 110V Frequency: 60hz Power: 18W Keep warm temperature: 70℉-100℉ Gear adjustment: 1 degree adjustment Digital display: Yes Timing adjustment: 1-12 hour reservation start/timed shutdown Operation method: touch button Safety method: touch switch Heating diameter: 109X100mm Wire length: 1.4 meters