Smart shade：Our products can automatically adjust the height of the curtains to lower the temperature of the room and raise the curtains to dry the room by detecting the current temperature and humidity.Featuring a quiet motor design, it operates silently.Built-in battery, depending on the size of the shades and the frequency of use, can be used for 3-6 months with one time charge.
100% blackout material: effectively blocks sunlight, ensures privacy, and is customizable in size and color to suit various décor styles. You can directly work with 5 Versions’ Alexa. The smart bridge (not include) can connect to all versions of Alexa and Google Home.(Echo Plus 2nd Gen, Echo Show 2nd Gen, Echo Studio, Echo Show 10, Echo 4th Gen).
Safe work: Cordless design, friendly for children and pets. In manual mode, effortlessly raise or lower the roller blinds with only half the force required compared to traditional blinds.
安装问题：
EASY TO INSTALL：All necessary accessories and clear instruction are included in the package.And there have installation videos which is helpful to install the shade.You can install it in minutes.
INSIDE & OUTSIDE MOUNT：Inside mount: 1/4 inch narrower than the width of your windows frame.Outside mount: 3-6 inches wider than the width of your windows frame.
Care You：Youngoo while custom-made products are covered by a 2-year warranty.
Anna –
The product is as good as described.Automatic temperature control, voice control, simple operation, easy installation