【Powerful Scent Output】: The 250ml ultrasonic room diffuser can work continuously for 2-8 hours. The aroma diffuser its atomized plate oscillates times to better dissolve mists and essential oils. By offering refined mists and long-lasting fragrances. Note: We recommend adding 3 5 drops Essential Oil once at a time in 250ml of water. 【3 in 1 Functions】: Humidifier & Aroma Diffuser & Night Light with 3 Functions . As a measure against dryness, you can moisturize the skin to prevent it from drying out and, at the same time, add your favorite aromatic oil to fill the room with a good scent. In addition, it naturally looks at the tired body with soft light as night lighting and creates a beautiful night atmosphere. 【Quiet and safe】: 36 dB ultra quiet, with the diffuser you can enjoy the fresh, fresh and fragrant air without disturbing. When a water level is detected, the low water level protection function will automatically turn off the device to protect you and your device. 【LED night