[Note] HUB is required to work. Roller shutter driver E1 adopts Zigbee 3.0, which has better stability, compatibility and more functions. Supports Apple HomeKit, Alexa, Google Assistant and IFTTT. Please update the firmware to the firmware version to use. NOTE: Maximum recommended roller blind weight: 3kg * While the motors can handle higher loads, they may result in reduced battery life or erratic operation. [Easy to Install] Just screw the electric blind motor to the wall, connect the adapter and insert the roller blind’s beaded wire. Please note that it can only be used on roller blinds with plastic/metal bead thickness between 3-6mm. (Includes 2 screws, 2 expansion tubes, and 1 double-sided adhesive tape) [Long battery life] No need to worry about charging every week. The Aqara automatic blind motor has a battery life of 2 months, which is more than twice that of other similar products. The most versatile Type-C port is used to charge the device. (USB-C to USB-A cable included) [Preset Schedule and Position] Set the schedule according to your needs, your roller blind will automatically open or close to a specific position at a specific time. For example, you can freely set wake up time, leave home time, arrive home time and sleep time. [Home automation] Cooperate with Aqara roller blind driver E1 and other Aqara smart home devices (requires aHub), you can enjoy fully automatic smart home without manual operation. For example, when you are out, your roller blinds will automatically close if the sensor detects no motion for 10 minutes or the door and window sensors detect that the door is closed