Parameters Name: TT motor ,1:120 biaxial DIY essential: 6V DC Gear Motor TT motor Motor speed: 100 r / min Torque: 4.5KG CM1 Voltage: 3 - 6V Robot smart and car essential. Using a magnetic motor, the better effect Motor Specification: 1. When no load, speed (6V): 100RPM 2.When no load,current (6V): 60mA 3. the torque size (6V): 4500mg * cm 4. Motor speed: 100 r / min 5. Size: 70.50 mm × 27.00 mm × 23.00 mm (L × W × H)