Fantasea FK02 Nano Focus Cold Shoe Kit with LED Nano Focus Light, Cold Shoe YS Mount CS02, Black High-intensity ultra compact LED light, especially designed to function as a modeling light and aid a camera's auto focus Particularly effective when photographing in low light conditions, the light is also great for underwater use, boasting a depth rating of 328' (100 m) Wide even beam Dim-out sensor that automatically shuts off the light when the camera's pre-flash is fired Eliminates a hotspot in the image caused by the beam of the light