Somfy LT50 RTS Altus 3 wire motors offers a complete range of torques 35-440 in. lbs. and Motor speed 14-38 RPM for driving the majority of rolling shutters,roller shades, interior and exterior sunscreen products. Compatible 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 Compatible with full range of RTS controls and accessories and allows operation of motorized applications within a range of 65 feet.