Fast enough to guide photographers in split-second moments, the Profoto Pro-B3 Duo 750Ws Monolight 2-Light Kit morphs together effortless use and workflow with unwavering reliability. Offering a stunningly short flash duration, the Pro-B3 monolight is optimized for fast, in-the-moment shooting. The Pro-B3's quick 0.01-2.0 second recycling time syncs with shutter speeds up to 1/75,000 second for dependable coverage. With three flash modes, including Boost, Eco, and Freeze, this monolight strobe complements exciting event coverage or speedy sporting event photographers working quickly on location. Achieve a faster workflow with the Pro-B3's built-in AirX technology for a hassle-free sync to your camera each time.