<br><br> <b>Specification</b><br> Model: HA001<br> Noise level: ≤30db<br> Water capacity: 0.5 Gallon (2L) <br>Coverage: up to 250 sq ft <br> Input: 100-240V, 50-60Hz<br> Dimension: 5.4(L)*5.9(W)*10(H) inches<br> <b>Note: </b><br> Do NOT add any kind of essential oils into the water tank or base of the humidifier.