Paul C. Buff AlienBees ABR800, Ringflash UnitCondition:* Used, Removed From Service In Working Condition.* Includes Ringlash, 10ABR/R 10″ Ring Reflector, Front Cover/Diffuser/Gel Holder, Camera Mounting Bracket.* As Pictured.Additional Notes:* Self-Contained Ringflash For Shadow-Free Lighting* 6 f-stop Power Variability (10 Ws to 320 Ws)* Stepless Slider Adjustment From Full to 1/32 Power* Tripod, Light Stand or Hand-Held Use; On or Off-Camera* Accommodates Camera Lenses up to 4″ in Diameter* WYSIWYG Modeling Previews* Power Requirement: 120 Volt AC, 50-60 Hz* True Wattseconds: 320 Ws* Power Variability: 6 f-stops (Full to 1/32)* Recycle to 100%: 1 Second* Flash Duration (t.5): 1/2000 Second (At Full Power)* Avg. Current Draw: 6 AmpsPaul C. BuffABR800