... . High quality alloy rc helicopter(R00072) :Features:High quality alloy fuselage, high tenacity rotor wing.Built-in Gyro, 3 Channel, go up and ... convenient to operate.Built-in rechargeable Li battery, can fly 6~8 minutes after charging for 50~60 mimutes.Two ways ... .7V 150Mah Li-polyControlling distance: About 10 metersBattery for controller: 6 * AA batteries (not included)Test report: CE, ROHS, FCC, ...