Single-click to start long mode; Click again to start intermittent mode ( suitable for 6 seconds, stop suitable for 6 seconds) Click again to turn off all modes. interface Lighting operation: switch Maximum water level Cotton core slot Water tank USB charging Long press to turn on the colorful night light mode; Long press again to turn off the night light mode. Timing mode: 4 hours of intelligent power off to stop spraying. Install the cotton core, soak both ends of the cotton core in water suitable for 2-3 minutes, and then put it directly into the cotton core slot. Press the upper cover and the water cup cover, close and stick the water cup. After filling with water, it can water suitable for about 5-15 hours Colour:Green Material:Plastic + Electronic Components Package Contents: 1 x humidifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.