Automatic Curtain system Accept Customized Track Size Electric Remote Controlled Drapery System Track Side or Center Opening & Wall or Ceiling Mount Brackets(Motor) please note this price include Mortor and Remote, If you need the Customized Size Track , please click: https://www.amazon.com/dp/B073WR6SMY One remote control can operate 15 sets of units without interference each other. Stop at any prefers position,Over loading protection within 30 seconds Universal power adaptor plugs into any wall outlet in the world, from 100V to 240V. Long Quality Warranty :5 Years, AND Fast Shipping: shipping by DHL or TNT.takes 4-6 days to your door