MATERIALS: the V series motorized Vertical Blinds are made of 3.54" slats blackout fabrics, which can 100% block sunlight. Both sides are the same, which provide UV protection, thermal insulation, and energy-saving. Several colors are available, you can combine the fabric colors by yourself..SMART MOTOR: durable hardwired plug-in motor, please make sure you have a socket nearby. After connecting to a Wifi signal, the smart motor can directly work with Alexa, Google Home, IFTT, and TuyaSmart App. Simply control it manually during power-cut. The motor is put on the right back side default. You can turn around the whole track rod if you want to put the motor on the left side (the motor will be on the front side then)..MADE TO ORDER: the Alexa motorized blind is custom made, the max width is 157", and the max height is 120". It is capable of both ceiling mounted and side wall mounted. Please leave at least 1.5” width if you install it close to the wall. The motorized shade can be opened from the left or right side. You can customize the running direction. If the width of your blind is over 102", we will use the extension track (2 tracks connect together). The blind can only open from the middle..LEAD TIME: dispatch in 5-7 working days after getting size confirmation. 5-8 working days for transportation. Each motorized window shade is made to order, can't be sold after a return. We appreciate customer precise measures & careful orders, avoid return without quality issues. Mounting hardware & Install instructions included, very easy to install. Procedures are set before delivery, it can be used directly after installation..WARRANTY & SERVICE: Yoolax offers a 2-year warranty on all our motors and remote controls, during which we will repair/replace them free of charge. Please contact us by Amazon message if you have any questions about the product. We will reply within 12 hours and help solve the problem until you are satisfied. Yoolax provides both blackout and half-shading fabric materials for the remote control vertical blinds. Multiple colors are available and can be combined by yourself.