Size: 5.4*0.9*7.1 inches Net Weight: 10.5oz The package includes: Sourdough Starter Warmer*1 Sourdough Warmer Dome*1 User Manual*1 The sour dough starter warmer is able to adjust the temperature degree by degree, the heating temperature range is from 70-100 degrees Fahrenheit, upgraded transparent glass dome, can lock the heat as much as possible in the glass enclosure, intuitively monitor the fermentation status of the ;; there is a 0-24 hours timer shutdown function, and the red and green indicator light helps you to observe the sourdough warmer's working status; upgraded U.S. standard 2-pronged plug, able to be used directly without your extra preparation of the USB plug. A friendly experience for all your fermentation and kitchen heating needs. PRECISE TEMPERATURE CONTROL FOR PERFECT FERMENTATION: Our sourdough starter warmer are capable of a degree-by-degree temperature setting, with an adjustable range of 70-100°F , and are designed with heat compensation to minimize temperature errors in actual use. INTELLIGENT CONTROL, 0-24H TIMED AUTO SHUT DOWN/ON: The sourdough warming mat can be personalized for 0-24 hours of timing, automatic shut down/on; the indicator light shows red, the sourdough heating mat is in the working heating state, and when it reaches the set temperature, the indicator light changes to blue; so that you can see the working state of the sourdough heating pad at a glance. UPGRADED GLASS DOME, KIT USE TO ENHANCE EFFICIENCY: The clear glass cover is made of thick glass to reduce heat loss and allows for visual monitoring of the sourdough's status, allowing your to ferment better and faster. The glass dome accommodates fermenters up to 4.2 inches in diameter and 7 inches in height, and can fit most fermenters on the market. Please check the size before purchasing. DURABLE MATERIAL, READY-TO-USE PLUG, ENERGY-SAVING AND POWER SAVING: The sourdough starter warmer is made of durable ABS material, which is long-lasting; upgraded U.S. standard 2-pronged plug, which is ready to be plugged in, so you don't need to prepare a separate USB plug, which will simplify your workflow. 12H AFTER-SALES TO ENHANCE EXPERIENCE: We are committed to providing you with the right product heater for a better experience. If you have any questions about this sourdough home or have any problems in the process of it, please let know and we will reply you within 12H to help you solve the problem.