Left hand throttle and ready to fly
3-Level Response Setting
U840 quadcopter allows changing the percentage of response of quadcopter. You can set the response in low, middle and high level, which is suitable for beginners
2.4GHz Radio Control
Using Spread Spectrum Technology for further remote distance. Best anti-interference ability and least power consumption. You can fly more quadcopters at the same time
Built-in 6-axis Gyro System
6-axis gyro quad-rotorcraft flight, strong stability, can easily implement various flight movements, stronger wind resistance, easier to control
High Intensity LEDs & 360° Flips
Each side of quadcopter there are some high intensity LED indicators which are used to help you to see the orientation during flight. This 4-channel quadcopter can go forward, backward, up, down, turn left, right and left/right sideways fly and 360°flips
3.7V 100mAh Lithium Battery
With rechargeable lithium battery, 3.7V 100mAh, supports about 4 minutes flight time
http://www.tinydeal.com/udi-u840-6-axis-4ch-360%C2%B0-flips-24ghz-mini-rc-quadcopter-rtf-p-149660.html
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