Made of high quality material, the worm gear motor is and has a long service life. A choice for you. High quality 31mm copper tube motor, small volume and large torsion. Bring you a new and different feeling of use. The ball bearing design improves the wear resistance of the shaft. The quality of the product is guaranteed. All metal gears are impact resistant, long service life. Give yourself a quiet working environment. Generally used in curtain machines, advertising equipment, window openers and smart devices., Manufacturer: Fafeicy