Features: Two-speed spray: short press the switch to turn on the continuous spray mode; short press the switch again to turn on the intermittent spray mode. Large capacity: The design of adding water on the top is very simple to use. After filling up, it can be sprayed continuously for about 12 hours and intermittently sprayed for about 24 hours without frequent water addition. USB interface: It can be charged by various power supply methods such as charger, computer, mobile power supply, etc. Quiet operation: silent humidification, does not affect work and sleep. Automatic power off: 4 hours of intelligent power off, don'for t be afraid of forgetting to turn off when you go out. Specifications: Material: ABS+PVC Size: Approx. 12x12x8cm/4.72x4.72x3.15inch Water for Tank Capacity: Less Than 1 Liter Noise: Below 36db Power Supply: USB Working Current: ≈300mA Spray Volume: 35ml/h Rated Voltage: 5V Rated Power: 1.5W Timed Shutdown: 4 Hours Package Includes: 1x Humidifier note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.