2 fog modes: There are two fog levels, which can be changed by pressing the fog button. The intensity of sputtering can be adjusted to different levels. Strong and weak fog output for differentoccasions and preferences. The steam strength can be easily regulated with two adjustable levels. The humidifier can hold up to 550 ml of water. Remote control: The effective distance of the remote control is 3m, the remote control is powered by one AAA battery (battery is not included). All these functions can be accessed by pressing the buttons on the machine body and on the remote control. Adjustable Light & 4 timer settings: you can choose from 7 colors between two modes: single color / color change. 4 timer mode: 1 hour / 3 hours / 6 hours / continuously running. Super quiet: Thanks to ultrasonic technology, this aroma cleaner works extremely quietly. Auto Power Off: Auto power off when the water runs out, safe and reliable. Effectively killing bacteria and purifying the air is an essential tool for home and office caregivers. Color: Tan LED 1. Press the "LIGHT" button to turn on the light. The default mode is light, which changes color in sequence. You will then see 7 colors that automatically change from light to strong. 2. Press the "LIGHT" button twice to select the color. 7 colors include: red, yellow, green, blue, purple, pink, blue. Long press the LIGHT" button to turn off the light.