Neewer Lightweight Barn Door for Neewer CN-576 576LED Dimmable Ultra High Power Panel for Digital Camera/Camcorder Video Light(Barn door Only!) Provide light control with four leaf barn doors. Keep stray light from other areas of the subject from reflecting into the camera lens and causing flare. Sturdy, all metal construction Lightweight and easy to fold. Suit perfectly with Neewer CN-576 576LED Dimmable Ultra High Power Panel