Our thermostatic controllers can be used for reptile heating, seedling germination, rooting, mashing, heating, fermentation and more to keep your various environments within the ideal temperature range. > Provides consistent optimum temperature for specific plants and controls temperature in cooler or warmer environments Simply set up the temperature probe, plug in the controller and use the large digital display on the three-button interface temperature, available in Fahrenheit and Celsius. The 3-conductor grounding plug is 6 feet long and designed to fit almost any application than you can imagine. The temperature control range is 20-42C (68-108 F). The nominal voltage is 230V / 50Hz. Maximum charge : 4.3A 1000W. Do not immerse controller or probe in water. Press UP: for Fahrenheit Press DOWN: Celcius SET: Press and hold for three to five seconds to start setting Product size: 16*7.5*5.5cm We only sell the controller, not other items in the picture. Due to the difference between different monitors, pictures may not reflect the actual color of the item. Due to manual measurement, please allow slight errors in size.