A DJI quadcopter with four-direction obstacle avoidance. 20MP camera. 30 minute battery. Titanium and magnesium alloy airframe. Dual band remote if interference appears. The Phantom 4 Professional is the most advanced of DJI’s very popular DJI’s Phantom 4 series. Its features are comparable to commercial-grade quadcopters that are triple its price. For more information, visit DJI’s website.