BJ-UFO is a free lifestyle app available on the iPhone platform. Developed by 介甲 张, this app allows users to remotely control a four-axis aircraft, also known as a model airplane, using their iOS device.

One of the main features of BJ-UFO is the ability to display real-time video captured by the camera on the aircraft. This video data is transmitted via the 2.4G WiFi protocol, providing users with a live feed of the aerial view from the model airplane.

In addition to video streaming, users can also take photos and record videos directly on their mobile phone using BJ-UFO. This feature allows users to capture their flying adventures and share them with others.

Overall, BJ-UFO offers a convenient and immersive experience for model airplane enthusiasts, combining remote control capabilities with real-time video streaming and media capture on the mobile phone side.