Free Express Shipping! Profoto D2 Duo 500/500 AirTTL 2-Light Kit 2 x 500Ws Monolights, 2 x Power Cords, 1 x Padded Bag, 0.03-0.6 Sec Recycling, Built-In AirTTL Radio Receiver, 1/63,000 Sec Freeze Mode Flash Duration, Quick Burst: Up to 20 Frames per...