1、Multifunction: RC Helicopter adopted 6 axle gyroscope design, with pressure altitude hold, optical flowing position, low voltage alarm, rudder conversion and other functions. 2、Long Endurance: Remote control helicopter use 050 carbon brush motor, with heat sink protection for long service life, 7.4v 600mah 25C battery with USB charging plug. 3、Stable Flight: 4 channel remote control, equipped with aircraft hover debugging mode, which can adjust the aircraft to the best state, provide strong power and self stability. 4、Use Environment: Optical flow position is recommended to fly in the environment with strong light, clear lines and low wind, and maintain a height of about 1.5 meters for the best effect. 5、Easy Operation: Remote control adopts independent positioner rocker, comfortable to hold and accurate to control, can be freely switched between the left and right hands. With 2 receiver sockets, 5V for S‑BUS receivers, and 3V for DSM receivers. 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 1 x RC Helicopter 1 x Remote Control 1 x USB Charger 1 x Lithium Battery 2 x Main Paddle 1 x Tail Paddle 1 x Screwdriver 1 x Wrench 1 x Large Gear 1 x Instruction