The Aqara Roller Shade Driver E1 is a retrofit roller shade controller that does not require a complicated installation and can work with your existing Roller Shade by operating the beaded cord. It does not require dedicated wiring and can run both wirelessly from the built-in re-chargable battery or being plugged into a power supply via the provided USB Type-C cable. Bundled with an E1 Hub, this enables remote control from outside the home and full voice control activation with Alexa, Google and Apple Home.2x Roller Shade Driver, 1x E1 Hub Features: Connect your Aqara devices across your home and control them all through the Aqara Home App Can be powered by almost any USB-equipped device such as a power bank, power strip, outlet, PC, or even a router Angle this device exactly where you need it to be thanks to the 210-degree hinge-like model, making placing this device in the home extremely flexible Compatible with the most popular ecosystems and can be controlled by voice. Apple HomeK