Meross WiFi Roller Shutter Switch, Smart Blind 1% Precision Control, Neutral Conductor Required, Schedule & Offline Compatible with Alexa/Google/SmartThings, 80x80mm, 1 Piece

Neutral wire required: WLAN shutter switch for installation, the neutral conductor is required. Alexa roller shutter is 8 x 8 x 3.5 cm. 2022 updated version, solved the noise problem. Either plan and time setting: you can set the LED blind switch to automatically turn on and off. WLAN roller shutter switch turns on Saturday at 10:00 a.m. and off at 6:00 p.m. Support sunrise and sunset setting. Voice control system: -"Alexa, open the blinds." The WLAN touch roller shutter switch can be used with Alexa, Google Assistant to manage your device with voice control. 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. Safety and service: Attention: neutral wire required. The smart roller shutter switch is made of PC flame retardant material and has passed safety and quality assurance. Overload protection circuit. We offer lifetime online support.