A detachable camera flash is a device that can be separated from a camera and used independently to provide additional lighting for photography. It allows photographers to have more control over the lighting in their photos and can be particularly useful in low-light situations. Detachable flashes can be mounted on a hot shoe or used off-camera with a wireless trigger. They come in various sizes, power outputs, and features to suit different photography needs. Overall, a detachable camera flash is a versatile tool that can help photographers capture stunning images in various lighting conditions.