Works great. Never any issues.

Enhance your photography with the Canon Speedlite 600EX RT Hot Shoe Mount Flash. This flash is designed to fit digital cameras and is compatible with Canon cameras. It offers a range of features including waterproof/underwater, flash exposure compensation, rapid-fire mode, E-TTL, zoom, tilt, and TTL.

With its hot shoe mount interface, this flash is easy to attach and use. Its brand, Canon, is known for producing high-quality photography equipment. This flash is perfect for photographers who want to take their photos to the next level.