Product Details: Xiaomi Mi Digital Clock E-Ink Screen Temperature Humidity Sensor Thermometer Hygrometer Clock - Link With Other Smart Devices In The Home Via Mijia Bluetooth Gateway, Improve Indoor Comfort, Open Intelligent Healthy Life. - 3.7 Inch E-Ink Screen Display Contents Clearly From Multiple Views. - With Built-In Precise Rtc Clock Chip, It Displays The Correct Time Even After Restart. - With Switzerland Sensirion Sensor, It Accurately Perceives The Subtle Changes Of Temperature And Humidity. - Check The Historical Humidity And Temperature Curve And Learn The Change Via Mi Home App. - With Brackets, Wall Stickers, Soft Magnets, Flexible Placement. - Suitable For Flower Room, Kitchen, Storage Room, Toilet, Etc. - When The Weather Is Hot, The Air Conditioner Is Automatically Turned On/Turned Off By Pre-Set In The Mi Home App In Advance. - When The Room Is Dry, The Humidifier Is Automatically Turned On Or Off By Pre-Set In The Mi Home App In Advance. Warranty: 1 Year.