... stable,anti-shock 2.Omnibearing flying direction 3. intelligent control system 4.operation safe 1. Function: up&down, ... Gyro; 2. Battery: 3.7V/150mAh Li-po battery for main body3. Charging time: 40 mins for helicopter,60 mins for ... 4. Flying time: above 7 mins for helicopter,120 mins for transmitter5. Control area: about 12M 6. Controller by ... CTN :49*36*72(CM)QTY/CTN: 24PCS remote control helicopter