1.Manual Control: You can open/close curtain via manual although there are not power supply. 2.Voice Control: Support for Alexa/for Google Home/for Yandex Alice voice control 3.Schedule: Setting open and close time as your like, open when sun rise, and close when sunset. 4.Handhold Remote Control: It is easy operation, good for kids and elderly person theoperation is simple and convenient for family use. 5.Child Lock Function: Child Lock Function avoid kid's operationon it. Make sure your home in smartand safe status. Upper limit and lower limit can be set The highest and lowest point of the curtain can be set by Remote or APP. Smart Blinds Smart Home Automation: Control the smart blinds by finally adding motorized window shades to your smart home directly with the free smartphone app or its intuitive Touch Save Time Energy & Money: Compatible with any window shade/blind that has a cord loop or beaded chain (plastic or metal). With a 5-minute DIY installation process at half the price, makes this smart blinds the best choice for window blind/shade automation Easier Control Via Alexa/Google/Wifi: Just connect it with Wi-Fi (Tuya), you can control it up or down through voice or APP on your mobile phone. Family Share Function: You can share the motor to your family with the limited right,create a smart home together with your family member. Name: Smart WiFi Roller Blinds Motor Power Supply Port: Type C Control Method: App/Voice/Bluetooth Remote Input Power: DC 5V/2A Charger Rated Torque: 0.5Nm Speed Range:20-50rpm Frequency: 2.4GHz Amps: 2A APP: Tuya/Smart Life Voltage: AC100-240V Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. Color: White Material: plastic Package Contents