Godox Hot Shoe 36pcs Dimmable Ultra High Power LED Video Light Lamp for Canon, Nikon, Pentax, Panasonic, SONY, Samsung and Olympus Digital SLR Cameras W 1/4" Hole Ideal lighting source for macrophotography, photojournalistic and video shooting, etc Multiple lamps quickly interlock to have different illumination solutions 36 LED bulbs, steplessly adjustable with a dimmer Use 2 AA batteries. (batteries not included) Universal shoe mount fits major brands of cameras and camcorder