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. Specifications: Material: ABS Color: white Adapter type: EU, UK, USA, AU (optional) Rated voltage: 12 V direct current Rated power: 4.5W Rated torque: 0.45Nm Rotating speed: 30rpm Operating temperature: -20℃~'65℃ Built-in receiving frequency: 915MHz, 2.4GHz Curtain motor size: 180 * 40 * 34mm / 7.1 * 1.6 * 1.3in Curtain motor weight: 262g / 9.2ounce Package size: 220 * 183 * 47mm / 8.7 * 7.2 * 1.9in Package weight: 517g / 1.1lb 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 * Adapter (optional) 1 * User Manual