meross Matte Roller Shutter Switch Smart (Neutral Cable Required), Curtain Compatible with HomeKit, Alexa and Google Home, Percentage Control, Voice Control Remote

Zero conductor required: the WLAN roller shutter switch requires a neutral conductor for installation. The dimensions of the switch are 8 x 8 x 3.5 cm. Schedule and Time Setting: You can set the blind switch to turn on and off automatically. For example: the WiFi roller shutter switch turns on on Saturday at 10:00 a.m. and off at 18:00. Voice control: "Siri, open the blinds." The shutter switch can be used with HomeKit, Alexa, Google Assistant. [2022 Upgraded Version] Percentage Control and Auto Calibration: The auto calibration function can upgrade a conventional motor (UP/DOWN/STOP) to an intelligent motor with accurate percentage control (1%-100%). You can use the meross app to adjust the roller position for more comfortable light. This feature has been added in the updated 2022 version. Attention: Neutral wire required. The intelligent roller shutter switch is made of PC flame retardant material. We offer lifetime online support.