Model: YN0906 - Features 54 bright LEDs - Color Temperature: 5500K (3200K when use the battery compartment door) - Power Consumption: 3.5W - Illumination Angle: 50 degrees - Average Lifetime: 20000h - Flash in sync with the shutter on the camera (this function is only compatible with Canon and Nikon cameras with hot shoe mount) - With 16 levels of light intensity the light intensity can be changed to make professional effects - Powered by 4 x AA alkaline cells or 4 x AA Ni-MH cells (not included) - Comes with 1 x Carrying bag 1 x Lamp bracket and 1 x Chinese/English user manual