1. convertible temperature units (Celsius and Fahrenheit), 2 indicator lights to show the work status; And comes with 2.5m external sensor. Max 16A. 2. Suitable for electric heating radiator, electric cooling and temperature control system. It can be used in smart homes, shopping malls, and industrial places. 3. 5+1+1 & 6 Periods Function: With 7 days programming mode to set, 6 periods to adjust different temperatures. 4. WiFi Connect & APP Control: Support control and adjust the temperature setting program in your mobile device. 5. Size: 12 x 6.2 x 3.5cm. 6. Complete Functional LED: Equipped with LED screen, accurate to display the temperature status and operating mode in even dark environments; With sensitive and responsive touch button for easily operate.