Nothing! Everything you need to get in the air is included in the box, including four AA batteries for the transmitter.
The Blade® Red Bull CBCX will fly circles around other 3-channel RC helicopters like it. State-of-the-art 2.4GHz control with advanced Blade engineering and electronics make it all possible. And it’s easy to fly—you’ll be hovering like a pro on your very first flight, even if you’ve never flown before.
Full Scale Info:
The Red Bull BO-105 CB is a highly-modified, 840-horsepower thrill machine capable of performing death-defying aerial stunts like back flips, rolls, loops and the mind-blowing “Chuckcilvak” tumbling maneuver. In fact, it’s the only civilian helicopter of its kind approved to perform these stunts, so if you hear it’s coming to an air show near you, don’t miss it!
|Approx Flying Duration:||6-8 minutes|
|Battery:||1S 3.7V 150mAh 25C Li-Po (included)|
|Flying Weight:||1.02 oz (29 g), 1.02 oz (29 g)|
|Is Assembly Required:||No|
|Main Blade Material:||Plastic|
|Main Gear Ratio:||12.28:1, 12.28:1|
|Main Motor Size:||6.5mm coreless, 6.5mm coreless|
|Main Rotor Diameter:||7.48 in (190mm), 7.48 in (190mm)|
|Number of Channels:||3|
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