DOUBLE  E Truck 100% harmless plastic and electronic elements.Newest RC truck. 4.8V 800 mAh rechargeable battery, can play about 40 mins.Charging Time about 60 mins. Radio technology 2.4GHz, wide control range 80-100m.Speed about 10-15km/H Anti-interference, several R/C car competitive at the same time and place. Applicable field: ground, grass or sand land.