Description: Steps for usage: 1. Turn counterclockwise to unscrew the upper cover 2. Add proper water to the water level 3. Tighten the upper cover by turning it counterclockwise and insert the power supply 4. Click the function key Spray operation Turn on the power, click the spray button, turn on the continuous spray mode, timing for 5 hours Click the spray button again to turn on the intermittent spray mode (spray for 3 seconds and stop for 2 seconds), timing for 10 hours Click the spray button for the third time to turn off all spray modes Light operation Click the light button for the first time, the first group of lights flashes in sequence, click the button again, the lights are all on Click the light button for the third time to turn on the breathing light for an 8-second cycle Click the button for the third time to turn off the light Click the light button for the first time and press for 1.5 seconds to turn on the second group of colorful lights Click and hold again to fix the color Specifications: Product Name: Crystal Humidifier Working voltage: DC5V Working current: 200mA-450mA Use power: 3.5W Water tank capacity: 200ml Spray volume: 40ml/h Product size: 57*57*147mm Product weight: 98g Material: ABS/PP/PE/electronic components/silicone Package Included: 1*Host 1*usb line 1*Chinese and English manual