TECHNICAL DATA: 1>Main rotor diameter: Approx. 345 mm; 2>Tail rotor diameter: Approx. 345 mm; 3>Overall length: Approx. 450 mm; 4>Overall height: Approx. 195 mm; 5>All-up weight: Approx. 244g (Battery included); 6>Driven system: 2* 180 carbon brush motor; 7>Battery: Li-polymer 7.4V/800mAh. FEATURES: 1>Easy and stable to fly, one more optimal model for the beginner; 2>Coaxial counter-rotating system; 3>4-channel transmitter and 3-in-1 receiver; 4>2x180 carbon brush motor; 5>Built-in 2 highly precise servos; 6>Emulational motley. Price Condition FOB Shenzhen Origin China