Features: Programming Function: This LED display smart thermostat Features a 5+1+1 programming function in a week, allowing you to set up to 6 different time periods a day, green energy saving, more intelligent and environmental conservation. Also includes dimmable light color in purple, blue, green, red, orange, yellow, sky blue. WiFi Connection: Before using your WiFi thermostat for the first time, you must configure the WiFi signal and settings through your smartphone or tablet. Search for "Smartlife" in compatible with Apple Store or Google Play or use a browser to scan the QR code above, and complete account registration and installation according to the guidance of the APP, and connect the thermostat. Manual & Programmable Mode: Both manual and programmable modes in room thermostat, allowing you to set the temperature of wall thermostat to your desired level and save on energy costs. Smart voice control can compatible with Tmall Genie, Amazon echo, Google Home. Multi Function: The LED display makes digital thermostat easy to adjust the temperature to your liking. Also has a child lock function and power off conservation function, save all your settings safely. Also provide weather information and humidity display. Embedded Installation: This intelligent thermostat is designed for embedded installation, and the installation method is: Keep power off, and remove the mounting plate by pushing the LED assembly; Connect power supply, load into the appropriate terminals, and fix the mounting plate into the wall with screws in; Fasten body of thermostat and the mounting plate through rotating. NTC Temperature Sensor: The AC 95-240V, 50-60Hz and 5-35C setting range with 1C accuracy make indoor room thermostat suitable for a wide range of commercial, industrial, civil and domestic properties, and equipped with an NTC 3950 10K temperature sensor, will provide accurate temperature readings and ensures precise temperature control. Specification: Shell material: PC + ABS (Fireproof) Product size: 86 x 86mm / 3.38 x 3.38in Panel thickness: 10.5mm / 0.41in Product color: Black Power supply: 95-240 VAC, 50-60Hz Sensor: NTC3950, 10K Accuracy: 1C Set Temp. range: 5-35C Room Temp. range: 5-99C Display Temp. range: 5-99C Ambient Temp.: 0-45C Ambient humidity: 5-95 % RH (non condensing) Storage Temp.: -5 - 45C Power consumption: