The Godox V1 flash uses its round head to distribute light evenly and in a soft natural fashion. This is a great way to acheive soft and natural studio lighting effects, no matter where in the world you are. The Godox V1 round head flash is a great match for the studio and on location, making it a must-have for wedding, portrait, event and travel photographers, just to name a few. This flash runs on a lithium recharageable battery, while it features a built-in wireless system, to allow full wireless functionality with other Godox flash products. - Round Head - provides even distribution of light - Runs on included lithium rechargeable battery - Guide Number: 28m - Compatible with all TTL systems - Auto and Manual zoom head