1. Material: alloy+ABS+electronic components 2. Independent shock spring 3. Smoother ride 4. USB charging battery life 5. Remote control method: handle 6. Anti-drop and crash-resistant reinforced alloy car shell 7. Enlarge hollow tires to enhance grip 8. Remote control battery: 2 1.5V AA batteries (not included in delivery), body battery: built-in 3.7V lithium battery 9. Small medium size: 19.8x12.2x11.8cm, large size: 24x17x17cm
