Our tubular motor for blinds stronge features: 1.Small size for the motor. 2.Easy to install. 3.Lower noise. 4.Reliable quality. 5. Electronic switch limited. 6.We Provide a 5-year warranty for our motors. Detailed Technical Data: Detailed pictures for SM45E roll up shutter tubular motor L=542mm Packing Quantity for one external carton:9 Sets The dimension of the external carton :60*25*25CM Quantity for 1x20GP Container:5500 Sets Application: Our Services Pls contact me by following information: