With this product, you no longer have to manually lift the curtain, sometimes holding za the hands of things, the operation of the curtain is not convenient. With this product, you can open or close your curtains za your mobile phone, remote control, or even your voice. Operation is very easy, come and try it. Functions: With this curtain motor, you can control the za using the Tuya app and voice control, connecting to the intelligent voice assistant, you do not need to pull the za motor hands, which can save time. You can set your limit travel and stop anywhere, and the maximum travel is unlimited for a better user experience. This product is a DC-powered curtain motor that is safe and reliable. The Worm-turbo self-locking braking system ensures reliable braking and quiet operation. This type of curtain motor needs to connect g-ateway to get Tuya app control and Alexa Google Home voice control function, if without g-ateway, you need to manually control the curtain. Specifications: Material: ABS Colour white Adapter Type: EU, UK, USA, AU (Optional) Rated voltage: direct current 7,4 V. Power prices: 4 W. Rated torque: 0,45 Nm Rotation speed: 30rpm Operating temperature: -20 ℃ - and 65 ℃ Curtain Motor Size: 80 x 40 x 35mm/3,1 x 1,6 x 1,4inch Curtain Motor Weight: 348g / 12,3oz Package Weight: 572g / 1,3lb This motor is a drive of chain blinds and realizes intelligent automatic operation. List of things to pack: 1 x curtain motor 1 x adapter (optional) 1 x User Manual 1 x set of accessories