U809 Cobra Launching Missile 3.5 Channel with Gyroscope/ RC Combat Fighter 3 CH Gyro Helicopter Missile Launcher Length: 220 mm, 8.66 inches Main rotor: 180 mm, 7 inches Frequencies: infra red controller-bands A, B & C Battery type: 3.7v Lithium-Polymer (Li-Poly) Battery Run time per charge: 8-10 minutes