Cozy Night Light and Aromatherapy Diffuser with White Noise Cozy Night Light Modes: The upper soft light is powered from a standard outlet and, together with the mist, creates a flamelike romantic atmosphere. The underneath warm night light adds a gentle glow, while a background noise option provides a steady audio backdrop for sleeping or working. Aromatherapy Diffuser with 200 ML Tank: 200 ML water tank capacity enables up to 8 hours of continuous use. Add your preferred essential oil to enhance the ambience around you. Note: Please do not fill beyond the max level line. 8 Sound Effects: The unit offers 8 sound effects, including Sleeping Music, Bowl Healing, Wave & Seagulls, Bonfire, Creek, Frog and Bird Singing. White Noise: The white noise machine includes 8 different noise effects that can be played individually or together, allowing you to your preferred sound combinations. Use Scenarios: Bedtime routine: Create a calming, flamelike light, gentle warm glow, and optional ambient sounds to help you fall asleep faster. Quiet study or work: Use the warm light and background noises to minimize distractions and improve concentration. Relaxation or meditation: Combine essential oil diffusion with complementary sound effects to establish a spalike atmosphere at home.