Features: 1.The smallest mini helicopter. And the length is 12cm. 2.Design is completely different from the old ones. It is with two main rotor blades and too stablizers,which makes it very stable in the air! 3.Function: go up and dow; go forward and backward; turn left and right. 4.Good quality PVC matterial cabin. 5.Black,red or yellow color selectable. 6.The helicopter is charged with a charging box, powered by 8pcs AA batteries(not included) 7.Battery for helicopter: 3.7V-80mAh li-po Battery for transmitter:3pcs 1/3AA battery (not included) 8.Charging time: 25-30 munites. Playing time: 7-10 munites.