Flashpoint RF-400 Ring Li-On 400ws Ringflash with Battery Pack Flashpoint Ring Li-Ion - Li-Ion Battery Pack - Battery Charger - Folding Camera Bracket - Umbrella Bracket - Snap-on Diffusion Cover - Flashpoint 1-Year Warranty Extremely Powerful 400 W/s RingLight Flash with a GN of 82 Uses an Advanced 4500mAh Li-Ion Polymer Long Life Expectancy Battery Recycle Time from .05 to 2.8 seconds Approximately 450 Full Power Flashes Per Charge Extremely Powerful 400 W/s RingLight Flash with a GN of 82 Uses an Advanced 4500mAh Li-Ion Polymer Long Life Expectancy Battery Recycle Time from .05 to 2.8 seconds Approximately 450 Full Power Flashes Per Charge Perfect For Shadowless Applications Remote Power Control with Wave Commander System Regular and Intelligent Optical Slave Modes Perfect for On and Off Camera Use Constant Led Lighting With 3 Power Settings Snap on Diffuser Includes adjustable bracket to mount to most cameras and lenses 1/4&#034; Screw on Bottom for Mounting to a Tripod, Monopod, or Handle Grip Flashpoint Ring Li-Ion Li-Ion Battery Pack Battery Charger Folding Camera Bracket Umbrella Bracket Snap-on Diffusion Cover