RC Helicopter 2.4GHz 4 Channel 6 Axle Gyroscope Altitude Hold Remote Control Aircraft Toy for WLtoys K200 Dual Batteries Item Type: Remote Control Helicopter Material: ABS, PVC, electronic components Model Number: for WLtoys K200 Frequency: 2.4Ghz Helicopter Battery: 7.4V 600mAh 25C Lithium Battery(Included) Remote Control Battery: 6 x 1.5V AA battery (Not Include) Charging Time: About 90 minutes Battery Life: About 16 minutes Remote Control Distance: About 80-100m / 262.5-328.1ft Main Motor: (Carbon brush)050 Tail Motor: (coreless)1020 Body Length: Approx. 300mm / 11.8in Body Width: Approx. 70mm / 2.8in Body Height: Approx. 100mm / 3.9in Main Paddle Length: Approx. 330mm / 13in Suitable Age: Over 14 Years Old