adjust volume and size nebulizers switch. Product Description (see figure)Р4. When filled with aromatic liquid, this product can be 8 hours of continuous work, keeping against work without water. When the tanks of anhydrous, emitted spray fog-free, if you continue to use, please cut off the electricity, to water tanks joined the negative ion healthy again .Р5. In the long time non-work condition, please power off, unplug it. Atomization due to a long time did not use blocking not working properly, edible white vinegar at several points on atomization of spray drops on-chip, a minute later will be able to work.Р6. When the indoor temperature is lower than 0 degrees water tanks ice up, please do suspend uses, in order to avoid the silk waste postglacial deposits cause the ponent the damage.