Profoto has put together this A1 Duo Kit for Canon for photographers looking for a lightweight, on or off-camera mini-system with advanced features including TTL and total wireless freedom. The Duo kit includes two A1 AirTTL-C Flash Heads, each with a Li-ion battery that gets 350 full power flashes, a Dome Diffuser, Flash Stand, and a bag with shoulder strap. A charger that tops up the battery in 80 minutes is also included. Optional accessories include an Air Remote TTL transmitter for wireless control up to 300', a Soft Bounce, Bounce Card, Gel Kit, and Wide Angle Lens.