This intelligent pull bead motor is utility for you to use in your home or office. You no longer need to manually lift the curtain, sometimes, your hands hold-ing things, it is not convenient for you to operate the curtain. With this product, you can open or close the curtains through your mobilephone or even your voice. It is very easy for you to operate it, come on and try it. Features: When you are away from home, with this curtain motor and the Tuya APP, you can control the curtain by your mobilephone, no longer need to worry about forgetting to open or close the curtains in time. You are free to set your travel limit and stop wherever you want, and the maximum travel is unlimited, give you a better using experience. The worm-turbo self-locking brake device is adopted to ensure reliable brake and quiet when using. This product is the direct current power su-pply curtain motor, which is safety and reliable. Voice control: With this curtain motor and the voice assistant like Alexa and Google Home, you can achieve to control your curtain by your voice. Specifications: Material: ABS Color: white Battery of the motor: 1 * lithium battery, 2600mAh (included) Rated voltage: 7.4V direct current Rated power: 4.5W Rated torque: 0.45Nm Rotating speed: 30rpm Operating temperature: -20~+65 Built-in receiving frequency: 915MHz Curtain motor size: 180 * 40 * 34mm / 7.1 * 1.6 * 1.3in Curtain motor weight: 345g / 12.2ounce Package size: 220 * 183 * 47mm / 8.7 * 7.2 * 1.9in Package weight: 591g / 1.3lb Note: This motor is a driving device applied to bead-chain roller blinds and realize intelligent automatic operation. Please refer to the manual to connect the motor to the Tuya APP. Packing list: 1 * Curtain Motor 1 * WiFi Converter 1 * User Manual 1 * USB Cable