1.  Fully sealed in depth and waterproof.  

2. Unlimited of terrain restrictions (water swimming / cross-country climbing / land driving). 

3. Strong and wear-resistant body, tough and fall resistance. 

4. Four-wheel drive roll 5. Turn at 360 degrees in place.  

5. With 3.7V500mAh aluminium battery. 

6. Aero mode for  35-45 mins.