Theraflu Flowing Vapors Portable Vapor Fan. Hours of Continuous Vapor Release. Soothing Vapors that Last all Night Long. No Outlet Required. Non-medicated Mentholated Eucalyptus Aroma. Contains a blend of aromatic ingredients including menthol and camphor. Contains: Fan + 3 Refill Pads & Batteries. Releases Vapors All Night Long. 8-Hour Flow of Non-Medicated Soothing Vapors. Auto Shut-Off to Increase Battery Life. Gently Disperses Vapors Throughout the Room. Safe and Easy to Use. Portable-Battery Operated. Flows for 1 hour on then Rests 5 minutes Off. Requires "AAA" Batteries included.