Xit Professional Portable LED Light Kit with 2 Batteries, Charger and Bracket:Array of 36 powerful LEDs provide bright, even lighting to range of 35' Unique interlocking design allows stacking to create a multi-unit array Up to 3-hour total run time using the two 1150mAh lithium-ion batteries Batteries can be charged via the included 110-240V AC charger Securely connects to the shoe-mount on most digital video cameras and SLRs Aluminum bracket for optional mounting to the cameras 1/4" tripod screw Built-in diffuser provides even lighting, eliminates harsh shadows Power: 4W 3.7V DC Color temp: 5600K Luminous flux: 160 Illumination angle: 65 degrees Package includes 160-LED light, aluminum bracket, 110-240V universal AC battery charger, 2 lithium-ion rechargeable batteries and adapter for Sony's AIS shoe