1. Ultrasonic design, fine atomization and humidification, will not form water droplets on the desktop.2. Quiet design, 36 decibels low noise, does not affect daily work and rest.3. Remove dust and odor, activate oxygen molecules in the air, increase water molecules, eliminate dust, and freshen the air.4. Warm night light design, simple and fashionable.5. Intelligent power-off protection, automatic power-off when there is no water, and automatic power-off when it rolls over.Product name: 500Ml ultrasonic humidifierCapacity: 500mLLighting: warm lightMaterial: PP+ABSSize: 120*168mmWeight: 52gNoise: less than or equal to 30DBInstructions:LIGHT (lighting button): press once for weak brightness, press twice for strong brightness, press three times to turn off the lightHIGH/LOW: (fog volume adjustment): press once for small fog volume, press twice for large fog volumeMIST (timing button): Press once to work for 60mins, press twice for 120mins, press three times for 180mins, press four times to enter continuous working mode, press five times to shut down (long press can also shut down)