WE'VE IMPROVED THE TEMP CONTROLLER: This is NOT a humidity controller Simplified operation, larger power, wider control range, standard U.S. outlet, enhanced waterproof sensor probe. Get the new version right now. NO WIFI connection HEATING OR REFRIGERATION WORKING MODE: Switch between heating mode and refrigeration mode according to the settings and device you plug into the controller. NO wifi connection MAX LOAD: Rated for 10A,1100W at 110V. Outlet not compatible with 2 hot lines 220V plug (Celsius or Fahrenheit Read-out). PLUG AND PLAY: Insert the probe and then set ON & OFF temp. This temperature regulator will turn your device on/off as programmed to keep temperature between the desired range. Comes with a 3m(9.8ft) probe sensor. Measure range is -58 ~ 230°F(-50 ~ 110°C). WIDE APPLICATIONS: Our thermostat outlet is widly used for seedling germination, home brewing, fermertation, rooting, sous vide, incubation, pet breeding, aquarium, heaters or cooling devices such as heat mat/lamp, refrigerator/frezzer....