Somfy Sonesse LS 40 RTS 3 wire motors and Standard 4 wire motors offer a complete range of torques 35-79 in. lbs. and Motor speed 14-36 RPM for driving the majority of rolling shutters,roller shades,interior and exterior sunscreen products. Compatable with Somfy's line of RTS wind, sun sensors and timers. This motor can be plugged into a standard wall outlet or in-wall wired and also features built-in Radio Technology Somfy (RTS) Radio Technology Somfy provides compatibility with full range of RTS controls and accessories and allows operation of motorized applications within a range of 65 feet.