The first anti-collision UAV is designed for inspecting and exploring the narrow interior space and the most difficult places to enter. Elios has oneHD High Definition Camera,A thermal camera, an LED lighting system, and aDigital video transmission system can ensure the real-time transmission of video even when flying out of sight or even in metal environment. It can fly freely in complex and messy environments or in enclosed rooms, fearless of obstacles, so it meets many potential applications that are difficult or impossible to achieve before UAVs.