The 96-LED Rechargeable On-Camera Light is mounted on your camera using a 1/4"-20 thread adapter and a combination cold shoe. This small, dimmable light can be powered by four separate AA batteries or by its rechargeable lithium-ion battery. With the help of a time-saving memory feature, you can turn on the light at the brightness that was last used. Important Features 96-LED On-Camera Light Dimming Wheel with Diffusion Filters and Magnetic Amber