The Blade mCX offers unsurpassed stability and incredible control through the coaxial, counter-rotating head design and Spektrum™ 2.4GHz DSM2™ control. And, thanks to its rotor span of just 7.5 inches and one-ounce flying weight, the Blade mCX can be flown indoors almost anywhere—from an office to a small bedroom or living room. The Blade mCX comes 100% factory-assembled, flight-tested and ready to fly right out of the box—no assembly or setup required. Included in the box is the Li-Po battery and convenient AA battery-powered DC Li-Po charger, 4-channel transmitter equipped with Spektrum 2.4GHz DSM2 technology, and 8 AA batteries (4 for the transmitter, 4 for the charger). The DSM2 technology offers freedom from frequency restrictions and allows the Blade mCX to be flown anywhere, anytime indoors with precise 4-channel control. When it comes to ultra-micro heli fun everyone can enjoy, you simply can’t beat the value and performance of the Blade mCX. It’s just another way E-flite is advancing electric flight. Also available in a Bind-N-Fly™ version (EFLH2280) Key Features 100% factory-assembled, test-flown and ready-to-fly right from the box Includes everything needed to fly—there's nothing extra to buy Ultra-micro size and weight perfect for indoor flying Innovative airframe design and electronic components offer incredible durability and precise control for excellent manueverability Coaxial, counter-rotating rotor head design for unsurpassed stability and ease of flight 4-channel transmitter equipped with Spektrum™ 2.4GHz DSM2™ technology, digital trims and dual rates Factory-installed 5-in-1 control unit with Spektrum 2.4GHz DSM2 compatible receiver, main motor ESCs, mixer, gyro and fully proportional servos No assembly is needed and there is nothing left to buy. In addition to the 2.4GHz DSM2 4-channel transmitter and 8 AA batteries, the Blade mCX also includes a rechargeable 1S 3.7V 110mAh Li-Po battery pack, and a AA battery-powered Li-Po charger. The 5-in-1 Control Unit is a lightweight combination of main motor electronic speed controls, mixer, servos and a Spektrum DSM2 compatible receiver.