The Profoto Pro-B3 is a powerful 750W battery flash designed for capturing high-speed subjects. With a short flash duration down to 1/75,000s and a fast flash recycling time from 0.01 to 2.2 seconds, you can quickly capture shots with your desired lighting. Made with a range of durable and reliable materials and equipped with a high-capacity Li-Ion battery, it is safe for outdoor and on-the-go use.