Certification : NONEis_customized : YesRolling Speed : 14cm/sWattage : noneVoltage : 110-240VModel Number : aqara/Tuya Curtain railItem : Electric Curtains Track RailSliding device : General pulleyAccessories : Track,Runners,belt, slip parts assembly,ceiling breaketsRunners quantity : 8pcs/mCurtain Motor(engine) : is Not includedDefault : Ceiling mount, Middle openCurtain rail track for : Home Improvement Electric Curtain systemInstall method : Ceiling(by default) / Wall MountedAvaiable window : All windows(L type,90degree type ,135degree1 Work with : Aqara A1/B1 zncldj11lm WiFi Zigbee Curtain Motor2 Work with : Xiaomi Wifi zigbee Curtain Motor3 Work With : Tuya WiFi / Zigbee Curtain Motor Home Office Customize Curtain Rod Track Rails (Aluminum Alloy) For Aqara/Tuya/Dooya Curtain Drive Motor Whether you are a designer, architect or an individual looking for a Curtain DIY project, our track and curtain solutions are designed for simple installation. In addition to window curtain motors, we also provide high quality, commercial grade curtains rail rod track that are used for many applications such as RVs, bunk beds, cubicles, hospitals, office and bathrooms etc. Our customer service team offers expertise and advice that is unmatched. If you need help, advice or a custom curtain track solution, we're happy to help keep you on the right track for the Automatic Curtain Rod System! Warm Tips This link is only for Curtain Track Rails ( included the track rail and install Accessories, not include curtain motor) which is suitable for Aqara ZNCLDJ21LM(Aqara A1 Motor)/ Aqara ZNCLDJ11LM (Aqara Motor) / Aqara ZNCLDJ12LM (Aqara B1 Motor) / Youpin Motor/ Tuya Wifi or Zigbee Motor/ Dooya 82 Motor If you don't know how to customize the track, please take a picture of your windows and mark the size (accurate to centimeters). We will give our advise. (1) We will ship as Ceiling Mounted,straight track, Middle Open in default, If the buyer does not leave a message and does not communicate with the seller. (2) Here this link is for finished track rails with all accessories for Ceiling mounted. (3) If you need U type or L type curtain track, pls also let us know, we can customize.Currently only 90°and 135° U-shapes are supported. (4) If you need Wall mount bracket, please order it via below link (2pcs/1m track). https://www.aliexpress.com/item/1005002580450344.html How to install the Curtain Rails Our Customer Real Show * Feedback From Some of Our Buyers Payment1.You can pay by Moneybookers, Visa, MasterCard and bank transfer, or pay with selected debit cards.2. BUY MORE, SAVE MORE! If you buy more than 10 pieces,we give good bulk price, welcome for inquiry.3.If you are having trouble making your payment, please contact us or aliexpress.com for assistance.Shipping1 We make delivery by different ways, including air mail, DHL express, UPS express, Fedex express, TNT express and EMS express. Your order will be shipped out within promised time.As following is general deliver time of different shipping methodAir mail(Air Parcel): About 7-30 days(But it takes longer time to reach Brazil, Russia, etc.)Express: About 2-10 business days (The Delivery time is for reference)2.SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary,particularly during the holiday season.3.We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect how quickly your product is inspected.4.The shipping cost does not include any import taxes, and buyers are responsible for customs duties.5.If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!Warranty1. 1 year Manufacture's Warranty for defective items (excluding items damaged and/or misused after receipt)2. All products has been checked, tested and packed in good condition before delivery.Defective items Must BE reported and returned to us within the warranty period(and the original package.).we will give you a return ID.Meanwhile Please tell us what the defect is,to eliminate improper use.3. Buyer is responsible for Return shipping fee.Customer serviceWe maintain high standards of excellence and strive for 100% customer satisfaction.We cherich every customer. Feedback is very important to us.We request that you contact us Immediately BEFORE you give us neutral or negative feedback,so that we can satisfactorily address your concerns.We will try our best to solve the problem.We really appreciate that you can give us 5 feedback star.Thanks for your support.