Description: 1Operating Voltage: DC 3V-6V Reduction ratio: 1:48 Maximum torque: 800k.cm It has an anti-interference ability. Suit for robot electric body and four wheel drive toy car. Specification: Material: PCB Circuit Board Size: External Diameter of Tire: Approx. 65mm/ 2.56inches; Inner Diameter of Tire: Approx. 28mm/ 1.10inches Package Includes: 1 Piece Gear Motor (1:48) with 65mm Plastic Tire Wheel Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement