Contains: 1 plug-in unit & 5 refill pads. Mini waterless vaporizer. Non-medicated vapors provide soothing comfort for your child. Up to 8-hour release. Non-medicated aromatic vapors provide soothing comfort when your child feels under the weather. Use day or night! Nightlight goes on when your lights go out. Simple to use - just plug it in! Plug rotates to adjust to your outlet. Easy-to-replace refill pads last up to 8-hours. UL listed. Questions or comments? Call 1-888-474-3099.