Specifications Working Voltage: DC 12V Working Current: 130mA-150mA Power: 1.5W-2W Water tank capacity: 50ML spray amount: 25ML/hour Dimension: 57MM*56MM*164MM (L*W*H) Attentions: This product can be used only when the car engine is started. Please DO NOT use the humidifier when there is not enough water in the tank. Operating Temperature: 0-45 degree Keep out of reach of children. When the product is not being used, please detach it, pour out all the liquid and store it in a cool, dry place. Packing: 1 X Humidifier 1 X Sponge (spare parts) 1 X User Manual Note:We don’t offer retail package,but we will pack it well before shipped out!