1、 Safe work time: 4-hour timing to power-off protection, never worry about that the water was ran out and would burn off the humidifier. 2、7 colors night light mode: create romantic atmosphere at night. Easy to operate, press long time to start the gradual change mode, continuous long time press for twinkling. 3、Humanized night lamp design, the light is soft and not dazzling. Mute, if it is work at night, won't disturb your sleeping. 4、Easy to operate, one button press for hydrating and moisturing your skin. 5、Mini size design, portable and ideal for using in car. With the USB interface, convenient to charge. Features: 1. Safe work time: 4-hour timing to power-off protection, never worry about that the water was ran out and would burn off the humidifier.  2. 7 colors night light mode: create romantic atmosphere at night. Easy to operate, press long time to start the gradual change mode, continuous long time press for twinkling.  3. Humanized night lamp design, the light is soft and not dazzling. Mute, if it is work at night, won't disturb your sleeping.  4. Easy to operate, one button press for hydrating and moisturing your skin.  5. Mini size design, portable and ideal for using in car. With the USB interface, convenient to charge.  Specification: Material: ABS + PP Rated power: 1.5 (W) Rated voltage: 5 (V) Operating current: 400mAh+150MA Water bottle capacity: 175ML Service time: 4 hours timing power off protection Spray Distance: 25/30L/H Color: Blue, Pink, Green(Optional) Size: 14.5* 6.9cm/ 5.7* 2.7in Weight: Approx.186g/ 6.6oz Package list:  1 * Air Humidifier 1 * USB Cable 1 * Cotton Rod Note: 1. For better results, please remember do not lose the spring at the bottom when change the cotton rod.  2. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 3. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.