Features: Metal gear and high torsion for improved performance. Low noise operation with reduced sound output during use. Carbon brush motor provides reliable commutation and extended service life. Suitable for use in ATM machines, vending machines, automatic麻将 machines, automatic window openers, and automation equipment. Professional design with sleek appearance, compact and easy to handle. Specification: Voltage: DC 12V Rated Wattage: 7W Reduction Ratio (Optional): 6.3, 10, 18.8, 30, 56, 90, 131, 168, 270, 506, 810 No Load Current (mA): 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45 No Load Speed (RPM): 1016, 640, 340, 213, 114, 71, 49, 38, 24, 13, 8 Rated Torsion (kg.cm): 0.3, 0.5, 0.9, 1.5, 2.8, 4.5, 6.5, 8.4, 13.5, 25, 40 Rated Speed (RPM): 700, 500, 200, 150, 100, 50, 30, 25, 15, 10, 5 Rated Current (A): 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25 Stopping Current (A): 0.8, 0.8, 0.8, 0.8, 0.8, 0.8, 0.8, 0.8, 0.8 Do not operate under locked rotor conditions Length of L (mm): 19, 22, 24, 26.5, 29 Size: As shown in the picture Package List: 1 x Motor