Features: 1. Made of high quality material, durable and long service life. 2. 31mm high quality copper tube motor, small volume and big torsion 3. Ball bearing design enhances the wear resistance of shaft 4. All metal gears are impact resistant, long life5. Generally used in curtain machines, advertising equipment, window openers and smart devices Specification: Condition: 100 percent Brand New Voltage: 12V Optional Style: 12V 400RPM, 12V 200RPM, 12V 130RPM, 12V 50RPM, 12V 30RPM, 12V 20RPM, 12V 12RPM, 12V 10RPM Voltage V 12 12 12 12 12 12 12 12 Rated speed RPM 400 200 130 50 30 20 12 10 Rated torsion Kg.cm 3.4 6.2 10 20 40 60 70 70 Rated current A Less than and equal to 1.6 Less than and equal to 1.6 Less than and equal to 1.6 Less than and equal to 1.6 Less than and equal to 1.6 Less than and equal to 1.6 Less than and equal to 1.6 Less than and equal to 1.6 Maximum torsion Kg.cm 8.5 16 25 50 70 70 70 70 Stop current A 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 Package List: 1 * Worm Gear Motor