Product name: USB Desktop Humidifier Tank capacity: 200ML Product size: 89mm*89mm*127mm Product weight: 202g Method of Mist: ultrasonic vibration at 2.4MHz Voltage: 5V/2W Power: 5V/2W Mist capacity: 40ml/H Material: PP + ABS LED Light: 6 colors changing Duration time: 3H-6H Water shortage protection:YES Certification: CE, ROHS, FCC Accessories: USB cable, cotton swab and manual