Check the listing for details. Digital Heat Mat Thermostat Controller for Seed Germination, Reptiles, etc... Color: Black, Condition: Open box. Listed at 24.99 USD. VIVOHOME Seedling Heat Mat Thermostat Controller IDEAL TEMP CONTROL - Improve propagation rates by maintaining root zone temperatures between 40-108°F (5-42°C); Provide constant optimum temperatures for specific plants and controls temperature in colder or warmer environments. COMPACT CONSTRUCTION - High-quality plastic housing with a protective film on front panel with ample durability ensures it will not rust or malfunction under tough conditions; Suction cup on the power cord helps to fix the sensor probe to the target. LED INDICATOR - Included illuminated LED screen display is easy to read and the program will help you to keep in mind the current temperature and read in even dark environments; Easily switch between Celsius and Fahrenheit to meet your needs. EASY SET-UP - Simply plug the mat into the thermostat then place the temperature probe at the desired location; The 3 sensitive buttons interface makes a smooth operation and can easily be calibrated; Compatible with almost all heat mats. SAFETY GUARANTEED - Heat mat can be safely plugged into an angled 3-end outlet socket that is UL certified, which also prevents cords from tangling and supports a 1000W power load; Equipped with a 5.8 ft-long power cord and a 6.4 ft-long probe cord, it is ideal for wherever you need to place.