Somfy Sonesse 50 RTS 3 wire motors and Standard 4 wire motors offer a complete range of torques 52-88 in. lbs. and Motor speed 32 RPM for driving the majority of rolling shutters,roller shades,interior and exterior sunscreen products. The LT50 is also available in 220 volt special order only. Compatability to be used 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.