Safe to use : Plug and play design, using highly conductive copper plate, copper rust resistance. Safety socket to prevent children from misinserting. Appearance using PC flame retardant material, high temperature flame retardant. Set the temperature range, place the probe, plug the heater/cooler into the marked outlet. Support heating and cooling modes, suitable for beginners and professional users<br>Wide Range of Application : This temperature controlled outlet plug is widely used for greenhouse, reptile, incubator, terrarium, freezer, refrigerator, heater, homebrew, vivarium, fermentation, heat mat, and other temperature-controlled system. It can also be used as a timer for cycle timing and countdown<br>LCD Display : The newly upgraded 2.24-inch LCD screen is different from most other products on the market . The clear LCD display and power indicator lights allow you to see the controller’s status even in total darkness<br>High performance : Temperature control range: -40°C~120°C/-72°F~176°F, temperature control accuracy: ± 1%AC 50/60 Hz. Output: Maximum 16A/3680W. Start temperature &gt; stop temperature, cooling operation begins; Start temperature &lt; stop temperature, heating operation begins<br>Various Functions : 1.7M / 5.6FT NTC 10K temperature sensor probe; Heating/Refrigeration Function; F01-F04 Timing Function; -9.9~9.9℃ Temperature Calibration Function; Memory Function; Reset Function; Screen LockProtection (all current settings are saved after power off)