TomTop offers the Hubsan H501S X4 Quadcopter with 1080p Camera in White for $169.99 with free shipping. That's the lowest price we could find by $30. It features an FPV transmitter with 4.3" LCD, GPS navigation system, self-tightening propellers, automatic return home failsafe, and up to 20 minutes of flying time per charge. Four AA batteries are required for the transmitter (not included).