Somfy LS40 RTS Altus 3 wire motors offers a complete range of torques 36-79 in. lbs. and Motor speed 14-36 RPM for driving the majority of rolling shutters,roller shades,interior and exterior sunscreen products. The LS40 is also available in 220 volt special order only. Capability 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 compatiblity with full range of RTS controls and accessories and allows operation of motorized applications within a range of 65 feet.