Features: brand new and high quality According to personal work and resting habits, the temperature of the curtain and the light sensor can be adjusted. When the temperature and brightness are higher than the set value, the curtain will automatically close, creating a comfortable home environment for you. App remote control: connection with tuya app, curtain switch remote control, no need to manually pull, very suitable for elderly people with inconvenient legs, making life smarter. Suitable for 99% curtain tracks in the market, either single open or double open. for Smart voice control, for alexa, google-assistant, tmallgenie, etc. Remote control lets you control the opening and closing of curtains anytime-and anywhere to prevent furniture from being damaged by for sun exposure. This curtain closer can help users to realize remote control of curtain opening and closing, saving times and lacor, low noise,long use for time, providing a more convenient and comfortable living environment for families. Timer Control: Curtains can be opened or closed regularly. The curtain opens automatically in the morning, you can wake up slowly in the for sun, no longer be woken by the alarm clock, and close automatically at night. Specifications: Material:ABS+PC Sizer:Approx.11.28x6.5cm/4.44x2.56inches Color:White Rated power: 2W Motor voltage: 5V Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Curtain Motor 1x USB Cable 1x Instruction Manual