Features Premium Design: The intermediate gear is a metal gear, and the motor is made of thick copper wire, possessing both power and speed. Reliable Work: The design of the motor gear box is compact, easy to carry and store, low in noise, and more wear resistant. Stable Operation: Stable during operation, more wear resistant gears, and can be used for a long time under a high speed. Good Material: Made of ABS and alloy materials, with impact resistance, suitable for motor gear box in children's cars. Working voltage 12V, motor speed 16000RPM, high work efficiency. Easy to Install: Comes with a compact size and a light weight as well, the RS390 gear box is very convenient to install within minutes. Specification: Item Type: Electric Motor Gear Box Use: Electric motor gear box used for kids toy cars. Working Voltage: 12V DC Motor Speed: 16000RPM Package List:1 x Electric Motor Gear Box Package List 1 x Electric Motor Gear Box