The Gemini 1500Pro delivers up to 1500Ws of power and faster flash-durations making it the perfect portable flash system for fashion or commercial photographers. Its compatibility with the Travelpak battery and Pulsar/PocketWizard Trigger Cards along with a voltage seeking power system allows you to use the Gemini Pro in the studio and on location just about anywhere in the world.Using a three electrode flash tube, the 1500Pro has an action freezing flash-duration of just 1/1400 second. The flash tube is easily replaceable so you can avoid expensive service center fees if it needs replacing.Compatibility with the Travelpak battery unit (sold separately) means that Gemini Pro lights can "go anywhere" out on location. But what about when you are in the studio in another country? Advanced circuitry within the 1500Pro is able to seek the correct voltage to run on meaning that you can take a Gemini Pro monolight anywhere in the world, safe in the knowledge that it will work wherever you go - inside or out.