Product size: 83x107x136mm Timer function: 2-8 hours Protection against water shortages and power failures: support Power Mode: USB Soft night light, creating a good atmosphere. The mist diffuses without destroying the natural composition of the essential oils. Quiet state, no noise, more relaxed and comfortable. Essential oils are divided into water-soluble and oily, oily essential oils will corrode humidifiers are harmful to your health. Fragrances and perfumes are prohibited. All essential oils in our store are water-soluble. If other essential oils are used, the product will corrode. Please take your own responsibility. Please take out the wet cotton swab and soak it for 1 minute, then put it back into the filter. Plastic tube sterilization (note: do not waste the source inside) no wet cotton swab or no water machine building makes machines burn. If the nozzle is blocked and stops spraying, please add white vinegar to dredge the nozzle. If the water on the nozzle interferes with the spray, use a cloth to absorb the water. Poke the sprinkler with something Please use tap water and mineral water, do not use distilled or purified water. packing list: 1x humidifier 1x USB cable 1x user manual 1 USB fan 1 night light