Item Type: Motor Gearbox Material: ABS, Alloy, Red Copper Application: Motor gearbox for children's car Working Voltage: 12V Hole Diameter: Approx.12mm / 0.47in Total Size: Approx. 185x92mm / 7.28x3.62in(L x W) Installation Hole Distance: Approx. 70mm / 2.76in Motor Diameter: Approx. 36mm / 1.42in Key Slot Diameter: Approx. 58mm / 2.28in Package List 1 x Motor Gearbox 1. Please allow 12in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Please note that the new type and old type of this product will be sent randomly,and make sure you will not mind before ordering. 1Easy installation, strong replaceability. It will make quite low noise and more wearresistant. 2This is a great electric motor gearbox used for children's car. 3Metal gear, and the motor is thickened copper wire, which has strong strength and fast speed. 4It will be a great replacement part for your broken or old ones. 5The working voltage is 12V, which is safe to use and meets your needs.