1. The external temperature detector can detect the temperature. 2. Set the start and stop temperature. 3. Cycle timing, start and stop time, switch. 4. is widely used in intelligent control, such as carbon heating, aquaculture, greenhouse, and otherplaces. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you Temperature display range:-40-120 Temperature display accuracy:0.1 Accuracy: 1% Timing Accuracy:Max 1 minute Working voltage:230V AC Maximum working current:16A Local power consumption:Less than 0.8W Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC230V Colour:White Material:Plastic Package Contents: 1 x Digital Temperature Controller Socket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.