Neewer CN-216 216PCS LED Dimmable Ultra High Power Panel Digital Camera / Camcorder Video Light for Canon, Nikon, Pentax, Panasonic, Sony, Samsung and Olympus Digital SLR Cameras with DC 7.2V Replacement Digital Camera Battery NP-F550/ NP-F570 and AC Wall Charger + In-Car Adapter Easy to know the battery capacity: press the test button, 4-LED On means battery full, 1-LED On means battery low. There are 2 filters included with this item, with Spotlight effect, Diffuse effect, and for reducing the color temperature to 32K. Rotate switch be use to on/off and adjust the brightness. Hot shoe design can be attached to the video cam or DC. Designed with Standard hot shoe plug, so can be installed on the DV or DSLR, and DC with standard hot shoe. The LED video light kit includes (1) CN-216 LED video light, (1) Replacement Battery Pack, (1) AC Wall Charger+Car Adapter