SimpleSmart Remote Control Smart Motorized Electric Curtain Tracks, Compatible with Alexa. Come with US 10' PLUG Premium Quality Curtain Track, With Super Quiet Wifi Enabled Smart Motor. Nominal torque is 1.2 Nm. Tracks are available from 4ft to 20ft in length, with a side opening or a split opening option. Compatible drapery types are Pinch Pleat, RippleFold and Accordia. Various track configurations are available including bends and curves. Applications: Draperies Interior Window Coverings Optional parts: Timer. (It does not timer in the standard package. Can be bought separately.)Remote areas may take slightly longer. Please leave a contact number for us to arrange the delivery.