Like traditional DJI drones, Spark will automatically return to its home point if it has a good GPS signal.When the battery level is low, the connection is lost, or the Return-to-Home (RTH) button is pressed, it will return to the preset home point while recognizing obstacles in the path.Karma is a drone developed by GoPro, which is popular as a long-established brand of action cameras.If the camera part is the latest model GoPro Hero 6, it is a high-performance model that can shoot 4K image quality at 60 frames per second. There are features such as being able to tilt up.However, the drone itself has a flight time of about 20 minutes, which is shorter than other DJI aircraft in the same price range, and it is undeniable that the autopilot function is behind the rest.China's Xiaomi, known as a cheap smartphone brand, is also entering the drone market.At the time of article creation, the sales area is only China, but it boasts catalog specs approaching the DJI Phantom series, such as a 3-axis gimbal equipped with a camera capable of 4K shooting and independent navigation.Also, the low price of $ 450 for the 4K model, which overwhelms rivals, has a considerable impact.