2000mAh battery Unique circular designed provides soft and uniform light effect With the characteristics of high brightness, quick rebounding and multifunction, it provides excellent light control and shoots for photographers Suitable for professional and amateur photographers, especially photographers who like indoor and outdoor portrait photography and wedding photography Adopt advanced systems, for full ETTL II automatic exposure and manual, and realize high-speed synchronization and remote control Suitable for weddings, parties, commercial photography and outdoor shoots By adjusting the angles and intensity of light, we can create a variety of photo effects