Cheerson CX-20 Auto-Pathfinfer RTF Drone GPS Autopilot Open-Source RC Quadcopter [ebay.com]
$139.99 + fs
Currently on Amazon [amazon.com]
for around $200.
Maximum Flight Speed 10m/s: The maximum horizontal flight speed of the Auto-Pathfinder can reach 10m/s and the maximum vertical speed is 6 m/s. The perfect combination of speed and stability allows you to experience the glamour of Auto-Pathfinder.
10 to 15 Minutes of Flight Time: With the capacity of 2700mAh, the flying time could last 10 to 15 minutes which will give you a more extensive flight experience.
Two Flight Control Modes: With the built-in MX autopilot system plus a GPS module, the Auto-Pathfinder has GPS Attitude and Attitude Control Mode. Pilots can switch between the two modes to achieve a particular flight experience.
Stable as Well As Agile: With the MX + GPS multi-rotor autopilot system, as well as the dedicated remote controller and receiver. Flight parameters and functions have been setup before delivery, so you can fly your Auto-Pathfinder the moment you receive it.
Failsafe and Auto Go Home / Landing: Auto-Pathfinder also has the failsafe function of the MX autopilot system. This means when the communication between the MX Controller and the transmitter is disconnected, the outputs of all command sticks from controller will go to the center position.