... . power: 25W; 5. temperature and humidity indication Ultrasonic Humidifier with negative ion function Item NoDescriptionColorsWCHU-15A1. Product size: 25*25*18cmGreen ... , Gold, Purple, White, Blue2. 1.5L water tank3. Can release negative ion to purify the air4. Max fog releasing: 300 ml ... /60HZ7. Power: 25W8. CE, RoHS, FCC certified Ultrasonic Humidifier with negative ion function