Multifunctional design includes timer function, countdown, random function, heating mode and cooling mode, etc. It is plug and play, without any installation, easy to operate. The large LCD screen uses green backlight, easy to operate and can be read in the dark. 20 groups of ON/OFF programs: automatically turn on/off the connected electrical equipment at the specified time. Three random modes: for RND, L-RND and PROG-RND, randomly turn on/off to protect your home safety or household appliances. 4 COOL programs: control heating or cooling device, keep temperature stable and save energy. Countdown function: 23 hours, 59 minutes, 59 seconds, when the countdown ends, turn on/off household appliances. It has additional temperature sensor, 0.1 Degree Celsius/0.1 Fahrenheit, Degree Celsius/Fahrenheit can be switched. Clock display: 12H/24H mode selection and DST function. Item Name: Smart WiFi Socket Material: ABS, PC, Metal Plug Type: EU/UK/US Plug (Optional) Input/Output: AC 90~250V, 50/60Hz Frequency Band: 2.4GHz WiFi: IEEE 802.11b/g/n Temperature Range: -40 to 80Degree Celsius (-104 to 176 Fahrenheit) Temperature Resolution: 0.5 Degree Celsius Temperature Range: 0.00%~99.9% Humidity Resolution: 3%RH Compatible System: for Android & for iOS Features: Wireless, Remote Control, Energy Saving Size: 13cm x 6.2cm x 7.5cm/5.12" x 2.44" x 2.95" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Smart WiFi Socket 1 x Temperature/Humidity Sensor 1 x User Manual