1:16 scale (8.5" x 4.0" x 5.0"). Product battery: 3.7V battery included in package. USB charging. Remote control battery: 2 x 1.5V AA battery (not included). Made of excellent material specially designed for harsh environments and rough roads. Strong, durable with excellent off-road capability. Vehicle simulation with decoration details and realistic structure. Refined interior makes car look more realistic. High configuration, high performance, easy to control for more action fun.