Specification: (1)Main rotor diameter: 340mm; (2)Weight: 215g; (3)Length: 360mm; (4)Power system: 180 motor*2; (5)KIT/ARF/RTF: RTF; (6)Transmitter: 4 CH 2.4GHz system (including training switch and simulator port) (7)Mix controller: 4in1 controller (W/gyro, mixer, ESC, receiver); (8)Servo: Digital servos 7.5g,Torque: 1.0kg.CM,Speed:0.1S/60° Product description: The design of the Lama V3 adopts a co-axial and counter-rotating system which makes it most suitable for indoor flight. Its characteristics are: easy, controllable flying, simple operation and quick re-charging. The 4in1 mixer controls all the main functions including: electric speed controller, gyro and receiver, which allows for convenient adjustment and maintenance of the helicopter. Two superior 180 motors and one 7.4V Lithium battery offer powerful performance and long flight times.The weighted fly-bar and improved tail system also enhance the stability and balance of the helicopter in flight, making it possible for beginners to master the basic flight skills in a very short time. You will be able not only to hover but to control the helicopter in all directions. Make slow and fast turns to test your skills and place the helicopter at chosen points around the room. Having mastered taking-off and landing, you will find endless ways to enjoy your Lama V3! The new 2.4G remote control system adopts Advanced Spread Spectrum Technology and digital FSK (frequency shift key) coding technology. This combined with two digital servos, ensures a rapid response, precise control and nimbler movement. With this system, several flyers can operate simultaneously within the same immediate area offering a safe and relaxed flying experience. RTF: LAMA V3, has been completely assembled in the factory, it can fly after finishing charging the battery. Electronic system has been completely adjusted by our engineer before packing, no adjustment is needed. Standard outfit include: a kit, a transmitter, a set of charger, main blade, a chargeable battery, transmitter battery unit (8pcs), a ESKY softdog and a Instructional Video CD for computer,which are ready to fly out of box.