3.5CH radio-control helicopter with gyro

Product size:81*13*29cm
Colorbox size:80.5*15*35cm
Carton size:82*64*73cm
QTY:18PCS
N.W/G.W:14/16KG
Function:up/down,turn left /right,forward/backward with gyro&Servo
Helicopter battery:7.4v 1500mAh LI-battery(included)
Remote controller battery:6PCS 1.5V AA battery(no included)
Charging time:about 2-3 hours
The flight time:6-7 minutes
The flying height:20-30 meters
Colour:blue,red
Suitable for ages 14 years+