PowerCurtain has been specializing in manufacturing and world-wide distribution of a wide range of high quality remote controlled DIY motorized window treatments for home and commercial use including classrooms, conference rooms, offices, hotel rooms and home cinemas. Since 2006, we have been developing the first-class electric curtain motor systems, while providing the best solutions to home and office automation projects. Our main products include Motorized Curtain Track Systems (Model: CL-820), Motorized Roller Blinds, Motorized Roman Shades, Motorized Projection Screens and Motorized Vertical Blinds. Our window treatment kits are designed to fit any size window (opening), wall or ceiling mount and can be custom-adjusted to open in any direction of your preference: from left to right, from right to left or opening from the middle. CL-800 was our initial Motorized Curtain Track model#, which was introduced back in 2006. It was then followed by the CL-810T, which was introduced in early 2009 with some improvements. CL-820 is our latest model of the Motorized Curtain Track. Introduced in 2012, with even more user-convenience features and many critical quality improvements. CL-920 is our latest "flagship" model of Remote Controlled Motorized Curtain Track Systems. Introduced in 2014, CL-920 comes in five different variations. CL-920A comes with a Power Adapter, which plugs directly into the household power outlet. CL-920C3 was designed to be connected directly to the electrical system. CL-920C4 connects directly to the electrical system with optional wall switch prevision. CL-920C6 connects directly to the electrical system with constant power source to the motor (a requirement by some home automation systems). CL-920C3-WiFi connects directly to the power source and allows for controlling while using any Mobile Device such as IPad, IPhone, Galaxy or other compatible device.