Check the listing for details. LARGE HUMIDIFIER AND SMALL HUMIDIFIER*SIMPLE INTERFACE.RELIABLE.COMPACT CASING*. Condition: New. Listed at 179.99 USD. Large and Powerful Humidifier "Ocean Breeze"Features:Fog meter: Press the "Fog meter" button to set the density of the fog. Tap the button to vary and choose from low- middle- high- grades. The touch pad display s low, middle or high level correspondingly.Humidity Level: Set the humidity, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85 and 90% RH optionally. Touch pad shows the relative humidity. Press "Humidity" button, to display ranges by low - high - shutdown grade & touch pad flashes accordingly. After setting the humidity for 5 seconds, touch pad restores the current humidity & "%RH" icon flashes.Timer: Press "Timer" button to activate the timer function. Set timer ranges from 1~12 hours. The touch pad displays the time remaining.Brightness: Press the "Brightness" button, the touch pad turns off. Press any button, the touch pad lights up again.Water shortage Safety: When water level is low red water shortage icon starts flashing and the machine alarms. Then it automatically shuts down.