Note: This product is not battery type, needs to be plugged in all the time during use, and cannot be used by charging, cannot be used without wire. With this product, 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 mobile phone or even your voice. It is very easy for you to operate it, come on and try it. Features: With this curtain motor, you can control the curtain through the Tuya APP, and the voice control by connect with some intelligent voice assistant, you do not need to pull the motor by your hands, which can save your time. When you are away from home, with this curtain motor and the APP, you can control the curtain by your phone, no longer need to worry about forgetting to open or close the curtains in time. Timing function: you can setting multiple timing according to your life style, which can give you a intelligent life. 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. Specifications: Material: ABS Color: white Adapter type: EU, UK, USA, AU (optional) Rated voltage: 5V direct current Rated power: 6.0W Rated torque: 0.45Nm Rotating speed: 30rpm Operating temperature: -20~+65 Built-in receiving frequency: 915MHz, 2.4GHz Package size: 300 * 210 * 55mm /11.8 * 8.3 * 2.2in Package weight: 429g / 0.9lb Note: This motor is a driving device applied to bead-chain roller blinds and realize intelligent automatic operation.