BONUS: Receive a 950mah battery for longer running time in addition to the regular battery AND free shipping! Features Advanced 3-in-1 control unit including main motor ESCs, mixer and heading lock gyro The heading lock gyro in the CX3 offers incredible hold and control to maximize your flight experience. Interference free 5-channel E-flite transmitter with built-in Spektrum 2.4GHz DSM2 technology Lightweight Spektrum AR6100e receiver with DSM2 technology Two feather-light S60 Super Sub-Micro servos--just 6.0 grams each DC Li-Po balancing charger and convenient AC adapter 2S 7.4V 800mAh Li-Po battery pack with charge protection circuitry Co-axial, counter-rotating rotor blades that make hovering easy for first-time pilots 100% factory assembled and test flown--no assembly or difficult setup required Compatible with most Blade CX2 option parts Optional LED navigational light set sold separately (EFLH2009 or EFLH2009R). Overview The flight experts have done it again. The Blade® CX3 MD 520N® RTF gives pilots unbelievable micro-heli excitement. The CX3 includes a radio system equipped with Spektrum™ 2.4GHz DSM2™ technology in the LP5DSM transmitter and Spektrum AR6100e receiver, providing 5-channel control with interference-free flying. It�s covered in the licensed MD 520N scale body with an attractive police trim scheme. Just like its predecessor, the Blade CX3 offers first-time heli pilots exceptional stability and incredible control through the coaxial, counter-rotating head design and 3-in-1 control unit. In addition, this CX3 also features two feather-light S60 Super Sub-Micro servos that provide full cyclic movement of forward, backward and side-to-side maneuverability. The Blade CX3 also includes a heading lock gyro to provide better control and locked-in performance. As with other co-axial Blade helicopters, no flying experience is required to begin your heli flight with the Blade CX3. This indoor helicopter is 100% factory-assembled, test flown and ready to fly out of the box, no assembly or setup required—and nothing left to buy. The Blade CX3 is the first coaxial heli to incorporate a heading lock gyro, a Spektrum DSM2 2.4GHz radio system and a scale body all in one convenient ready-to-fly package. MD 520N is a registered trademark or trademarks of MD Helicopters Inc. and is used under license to Horizon Hobby, Inc. Specifications Main Rotor Diameter: 13.6 in (345mm) Gross Weight: 8.0 oz (227g) w/battery Length: 16.4 in (415mm) Motor Size: 180 Brushed (2 installed) Kit/ARF/RTF: RTF Control System: E-flite LP5DSM Transmitter