Tuya WiFi 2N Smart Roller Shade Blinds Motor for 38mm Tube Alexa Google Home Voice Control Zemismart Electric Curtain MotorsFeature:- Bulit in wifi module, no need any hub or gateway to paintings This wifi curler coloration blinds motor is for 38mm tube It base on tuya or wise life app. So that can voice leadership by way of Alexa and Google Assistant Set restrict through remote and set timer schdule by way of auto ambiance within the app With huge voltage just so can paintings for 110v to 240v With up/ middle/ Dowm limit for set, meet your mind smoothly Support weight: About 10kg.