Features: brand new and high quality With just one click on your smartphone, your life will become easier and make your home smarter. for Alexa and Google-Assistant, you can open or close the curtains just by voice. You can set a timer/countdown timer in the APP to open/close your electronic curtains. Aviation special aluminum material, more durable and firmer, the surface adopts electrophoresis technology, long-lasting luster and no fading. The exclusive silent guide rail adopts sound insulation and noise reduction design, which makes it run smoothly and quietly. Specifications: Material: Alloy Rated Torque: 1.2 n/for m Adaptation Track Length: Approx. 1-6m/39.37-236.22inch Size: Approx. 48x70x360MM/1.88x2.75x13.38inch Power Cord Length: Approx. 62cm/24.41inch for Protection Level: IP20 Power Supply Voltage: 110V-220V Remote Control Wireless Frequency: 433MHZ Plug: European Standard Plug/British Standard Plug/for American Standard Plug Type: Zigbee for Smart/Tuya Wifi for Smart Package Includes: 1x Electric Curtain Motor note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.