Photogenic Pl2115k 1000WS Powerlight Non-Digital Monolight Travel Kit with 24x32" Rectangular Soft Box, 45" White Flat-Panel Umbrella Two Photogenic 500WS Color-Corrected Monolights with Slider Control - 24" x 32" Rectangular Soft Box - 45" White Flat-Panel Umbrella - 7-1/2" High-Gain Reflector - 8' Stand Heavy Duty - Wheeled Soft Case with Pull Handle - Color Corrected Flash Tube - 250 Watt Quartz Lamp - Powerlight Sync Cord - AC Power Cord - Flash Tube Protector - Operator's Manual - Photogenic 2 Years Warranty Flash Power: 16 to 500 watt-seconds Guide Number (ISO100@10ft.): 365 w/PL7R reflector; 110 w/no reflector Flash Duration: 1/1300 second at full power; 1/640 second at 1/32 power Recycle Time: 1.5 sec. at full power; 0.5 sec. at 1/32 power