展开- 200ml water tank, 50ml/h spray volume, 2 working modes: Intermittent Mist (3 seconds on/3 seconds off) & Continuous Mist. Working Time: 8 hours in continuous mode, 10 hours in intermittent mode. - Lasts 6 hours ultrasonic technology supports an extremely quiet working noise <30 dB. - Great night light for young children scared of the dark at bedtime, the colorful lighting creates a nice ambiance. Colors include: green, dark blue, red, yellow, pink, light blue, white. - Powered by Micro USB 5V=1A, compatible with any device with USB port (laptop, desktop, power bank, socket, power outlet). - Non-toxic material, CE Certification, RoHS qualified. 30-day full refund if you have any problems with the humidifier.