Aqara Curtain Controller B1 supports three control modes such as local button control, sensor linkage control and app remote control. After the Wi-Fi network connection is turned off, the control still can be achieved via local button and sensor linkage.

5 Kg with a tube diameter of 38 mm
3.7 Kg with a tube diameter of 28mm

0.45Nm

Long press the reset button on the bottom of the device for 5 seconds until the blue indicator light is on, or you can use Aqara Home App to reset the device

This devide does not support "Power-off Manual Operation" function, namely, the curtain cannot be opened/closed manually after power-off.