When you can't count on an electrical outlet being nearby, you can still depend on the JTL Mobilight 301 to provide powerful studio-quality lighting. It's rated at 300 watt/seconds output and includes a memory-free NiMH battery for 100 or more full-power flashes from a 4-hour charge. This compact battery weighs only 2 pounds and recharges from AC or from a car 12V power port. FEATURES INCLUDE: Rugged aluminum alloy housing; ISO 100 guide number 180, power continuously adjusts from 1/8 to full power; recycles in 0.5 - 3.5 seconds AC, 4-9 seconds DC; user-replaceable flash tube with UV coating; universal light stand mount adjusts on track for balancing weight of flash with umbrella, soft box or other attachment; 150W modeling light for AC and 10W for DC operation; accepts the same accessories as Versalight E-series monolights. Includes battery and AC power cords, mount for light stand & umbrella, DC charge cord, and sync cord. (Pictured with light stand, not included.) Requires optional 7" reflector (unless flash will be mounted in a softbox).