Here is another smart tool that automates your curtains. The Aqara Smart Curtain Motor E1 combines witha Zigbee 3.0 hub for remote control of your curtains. It works with Siri, Alexa, and Google Assistant. It has a built-in light sensor that lets you automate your curtain based on level of brightness.
The Aqara Curtain Motor E1 has max load of 26.4lb. You can choose between one or two motors for each window. The device has a 6000mAh battery that lasts up to a year without charging. You can charge it with a USB-C connection.