Fangrui Product Details 1. Mini Size: Only 15cm, Can Be Easily Covered 2. Concealed Design For Better Aesthetics Mini Size Curtain Motor,hidden Design. 3. 2-channel Remote Control:it Is Operation,good For Kids And Elderly Person The Operation Is Simple And Convenient For Family Use. 4. App Control: Need Connect To Zigbee Gateway, Then You Can Control Up And Down Through Voice Or App On Your Phone. 5. Manual Control:although There Is No Power Supply, The Curtains Can Be Opened Or Closed Manually. Name:zigbee Curtain Motor Rated Voltage:100-240v (50/60hz) Operation Temperature:-10-50wireless Protocol:zigbee Iee 802.15.4 Max Power:20w Rated Speed:60r/min Received Frequency:433.92mhz Runing Noise:less Than 33db Weight Capacity:40kg Torque:1.2nm Voice Control:alexa Echo/google Assistant Control App:smart Life/tuya Curtain Motor Size:150x50x70mm Voice Control:tuya Zigbee Device Supports Alexa/google Home/yandex Alice Voice Control Through Tuya Zigbee Hub. Schedule: Set Opening And Closing Times According To Your Preferences, Openi