1、Intelligent Dry Burn Prevention: It features an automatic shut off mechanism that detects when the water level is low. It will stop working to prevent dry burning. When in a low water state, pressing the switch will flash a red light before shutting down (the lighting function can still be activated without water). 2、Dual Mode Ambiance Lighting: Enhance your living space with a sense of ritual. The volcano inspired warm light creates a comfortable ambiance accompanied by gentle mist. A long press of the switch activates the light (magma color), another long press switches it to ice blue, and a third press turns off the light. 3、Two Timer Modes: Easy to operate with two timer settings, an 8 hour water mode and a 12 hour aromatherapy mode. You can choose the desired duration effortlessly, eliminating complex steps. 4、Convenient USB Power Supply: Designed with a USB plug for flexibility in usage. You can effortlessly connect it to a charger, power bank, computer, or other devices. 5、Comfortable, Silent Running: Experience tranquility with low noise operating, making this diffuser ideal for both relaxation and work. Enjoy your moments of peace without distractions. Item Type: Volcano Humidifier Diffuser Material: ABS, PP Weight: Approx. 400g / 14.1oz Capacity: 400ml Product Size: Approx. 135x142mm / 5.31x5.59in 1 x Volcano Humidifier Diffuser 1 x USB Cable 1 x Instruction Manual