Shooting with the Profoto B1 500 off-camera flash is an absolute pleasure. In challenging lighting conditions the TTL function of the B1 500 provides accurate exposure. It’s cordless operation, while powered by an high-capacity battery, let you as photographer experience the freedom that comes with working without cables and cords. The wireless transmitter connected to your camera’s hot shoe allows you to trigger your B1 from a distance of up to 300 meters. With added High-Speed Sync functionality this 500Ws monolight flash is a high quality product used by professional photographers worldwide for light shaping.