Specification 

• YONGNUO YN216 YN-216 LED Video Camera Light with
  Adjustable 3200K-5500K Color Temperature and 4 Color Plates
  for Canon Nikon DSLR Cameras
• Light Source: 216 LED beads
  Color Rendering Index: ≥90%
  Power: 13W
  Lumen: 2000LM
  Luminance Angle: 55º
  Average Service Life: 50000H
  Weight: 515g
• The YN216 adopts 216 high-quality LED lamp beads of extra-large luminous chips,
  the brightness is brighter, the light spot is more evenly and the service time is longer.
  The YN216 adopts the encoder digital dimming which can be separately
  adiusted to rouhu dimming and find dimming modes, more convenient to use.
  Adopted the the professional LED driving chip, the light is stable and
  the efficiency up to 93%. Can be installed on the camera or fix on a tripod for use.
  Provides 2 kinds of power supply: DC power supply (optional),
  lithium battery. (AA battery is Not included)
  Four color temperature plates are configured and suitable for use under different environments.
• Compatible Batteries: Sony NP-F series(Not included in package) 
  NP-F750, NP-F550, NP-F950/B, NP-F530, NP-F970,
  NP-F970/B, NP-F570, NP-F770, NP-F960, NP-F930,
  NP-F930/B, NP-F950, NP-F330