Precise temperature control for consistent results PTC constant 360° water bath heating keeps fermentation stable within ±2°F for up to 42 hours, ensuring even heat distribution and reliable performance for homemade yogurt and other cultures. Compatible with 110V–240V power supplies for use in most regions. Flexible settings to match different cultures Temperature adjustable from 21°C to 48°C and time programmable from 1 to 42 hours, so you can tailor conditions for a wide range of probiotic strains. Preset modes for yogurt, rice wine, natto, and general fermentation provide convenient starting points while allowing manual when needed. Large, easycare stainless steel pot Includes a 1.6quart square inner pot made of 304 foodgrade stainless steel exterior, offering generous batch capacity and better durability and corrosion resistance than glass. The square design minimizes residue and makes cleaning faster and easier. Safe, handsoff operation LED display shows a realtime countdown so you can monitor progress at a glance. The unit automatically stops heating when the cycle ends and sounds an alert, preventing overheating and eliminating the need for constant supervision. Why this product solves common problems Eliminates temperature fluctuations that spoil batches by maintaining a tight tolerance for long fermentation cycles. Offers both presets and fully adjustable controls so you can reliably reproduce favorite recipes or experiment with cultures. Stainless steel inner pot reduces breakage and simplifies cleanup compared with glass jars. Practical use scenarios Make a full batch of creamy homemade yogurt for weekly breakfasts, using preset yogurt mode and the 1.6quart pot. Ferment rice wine or other alcoholic beverages by setting a precise temperature and extended time without worrying about overnight temperature drops. Prepare natto or experiment with probiotic cultures that require specific temperatures and long fermentation periods, using the adjustable temperature range and countdown display. Key specifications at a glance Heating: PTC constant 360° water bath Temperature stability: ±2°F over 42 hours Temperature range: 21°C–48°C Time range: 1–42 hours Preset modes: yogurt, rice wine, natto, fermentation Capacity: 1.6 quart, square inner pot Material: 304 foodgrade stainless steel exterior Voltage compatibility: 110V–240V Reliable, precise, and easy to use—designed to give consistent, repeatable results for home fermentation projects.