Timing and Auto-off- The time button is to set the diffuser's work time for 1h, 3h, and 5h.(Or be shut off when the waters are used out of) Realistic Rock Flame Diffuser: With a minimalist, small Rock design, and with the ambient flame lighting so that the mist is like a , the whole diffuser is like a Rock . diffusers for essential oils could create a realistic fire flame atmosphere, perfect for home and Festival decorating Rock Diffusers for Essential Oils- Drop essential oils into Fireplace aromatherapy diffusers, give you a quiet and comfortable environment. Portable for bedroom, office, spa, kitchen, or tabletops Upgraded Larger Rock Flame Diffuser/Humidifier size of 25cm x 7cm x 11cm, with a built-in 150ml water tank, collects light and mist to create a more realistic flame effect for about 6 hours Suit for Any Scene- Designed as a mini portable Rock , Rock diffuser humidifier suit for home, office, a large room yoga, a bedroom, and a gym but is also used as a great gift for friends, family, or loved