Dual-head fan

A dual-head fan, comprising

• a drum fan;
• a first wind shell disposed on an upper side of the drum fan;
• an outer shield disposed on one side of the first wind shell;
• a moving panel accommodated in the first wind shell;
• a supporting plate disposed at a top of the first wind shell and having a hollow portion at a center thereof and an engaging part in a middle of the hollow portion for engaging with an upper end of the moving panel by one side thereof;
• an air duct baffle engaged with the other side of the engaging part of the supporting plate by a lower end thereof and having two laterals connected with a second wind shell and a lower outlet shell, wherein the lower outlet shell has a top surface;
• and
• an upper outlet shell rotatably connected on upper sides of the second wind shell and the lower outlet shell to regulate airflow direction by rotation.