✅【Energy and cost saving】With 5 +2 and 6 periods/day programming mode, this thermostat can set a personalized program for working days, weekends and different periods of a day, which not only allows you to get the temperature to your pleasure at home, but also saves a lot of energy and heating costs. ✅【Smart Remote & Voice Control】 Certified for Amazon Alexa, Amazon Echo, Google Home, this connected thermostat supports remote control and voice control. Outside, you can fully control your home's temperature on the 'Tuya' app. from your phone; inside, the voice control function keeps your hands free. ✅【Humanized design and keypad lock】Deluxe thermostat in black, the backlit LCD mirror touch screen complete not only simplifies operations, but also brings a sense of fashion, making your home more modern. The on-screen display is clearly visible at any height, any angle and even at night. The keypad lock prevents children from touching by mistake. ✅【High precision and easy