Ⅰ. Sourdough Starter Warmer: Fine-tune from 70℉-100℉ with 1℉ precision. This sourdough warmer ensures stable heat for fermentation, even in winter. Keep your sourdough starter in the 75℉-82℉ range to speed up fermentation and help with bread texture. Ⅱ. Smart Timer & Memory Function: With 0-12 hour appointment and auto shut-off timer, this sourdough warming mat supports dough proofing without constant monitoring. Ⅲ. Safe Rapid Heating: This sourdough warmer is equipped with upgraded Graphene and aluminum foil heating film and adopts advanced directional heating technology. It can achieve uniform and rapid heating in just 10 seconds. The sourdough heater consumes only 12W of power while providing efficient temperature control, contributing to energy savings and safety. For enhanced heat retention, simply cover the jar with a towel. Ⅳ. More Durable & Compact Design: Unlike USB-powered sourdough starter warmers that may break easily, our US plug design offers stable power and greater durability. Ⅴ. Plug and play. This sourdough proofing mat can be used for sourdough starter, defrosting meat, softening butter, fermenting yogurt, etc. Suitable for baking beginners and experienced users alike. Ⅵ. Voltage: AC110V Ⅶ. Plug Type: US Plug, applicable in Canada, India, Mexico, Thailand, the United States, the Philippines, Taiwan and so on. Ⅷ. Color: C:Black Ⅸ. Material: plastic Ⅹ. Package Contents: 1 x Electric Sourdough Starter Warmer Mat. Only the above package content, other products are not included. Ⅺ. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.