Specification: Main rotor diameter: Approx. 675mm Tail rotor diameter: Approx. 145mm Overall length: Approx. 600mm Overall height: Approx. 230mm All-up weight: Approx.720g (batteries included) Driven system: 380 brushless motor Battery: Li-polymer battery 11.1V1500mAh Essential Accessories: Main rotor blade No. HM039-035 380 brushless motor electronic actiyator No. HM039-041 Flybar paddle No. HM039-008 Main axis No. HM039-044 Kit Contents: Charger OUT15V800mA Battery i-polymer battery assembly 11.1V 1500mAh Model Features: 1) Common 3D, alterable pitch system 2) Landing system with flameout 3) 380 brushless motor, and tail rotor blade driven by strap transmission system 4) Six-channel multifunctional transmitter 5) Transmitter with 3D mode switch,PIT&PLT modulation knob 6) Transmitter with mode lock switch to lock the adjusted parameter 7? 9 gram rudder ,Outer gyro