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)..Remote Control: Compatible with 6-Channel-Remote.Control the blinds through the "Open/Close/Pause" button on the remote control. Then could control the slats to rotate from 90° to 180° through the "Tilting" button to achieve the effect of dimming..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 110", we will use the extension track (2 tracks connect together). The blind can only open from the middle..Why Yoolax: Long-term technical assist available. Receiving damaged components, please take photos, and send them to us within 30 days, and we'll work with you for free replacement. We recommend you consider buying fabric samples for assurance.