Ceramic Ultrasonic Air Humidifier

Ultrasonic Diffuser & Humidifier: BPA free plastic internal water reservoir that holds 150ml and diffusers up to 500 sq.-ft. 3 Mist Modes: You can set it to continuous Large or Low mist that keep misting until water runs out ; Or set it to intermittent Large mist that diffuser mists and pauses every 30s.

3 Timer & Waterless Auto-Off Function: Designed with waterless auto-off function, This stone aromatherapy diffusers will will turn off automatically. 3 convenient auto-off timer settings: 1H/2H/4H.