1.7" LCD screen display; Supports 1/8000s high flash sync speed; Supports TTL exposure compensation and M-speed manual flash; Supports three flash groups to ouput different modes and powers of flash; Supports front-curtain sync, rear-curtain sync, low-speed sync, high-speed sync; Supports high-speed synchronous studio strobe and outdoor flash; Supports one transmitter controlling multiple receivers; Supports flash AF assist lamp.