Rain Drop Simulator & Flame Light A unique Rain Drop mist with ambient flame lighting that makes the mist look like a real flame. It functions as a diffuser, a Rain Drop Simulator, and a night light. Suitable for bedroom, office, home, yoga, and more. 3 Lighting Modes Three options: red, blue, or red and blue cycle. You can fix red or blue light, or choose the gradient mode to alternate the two colors. Soothing Water Drip Audio Promotes relaxation with white noise in the 30-50 dB range and real rainy sounds. The Rain Drop Simulator provides soothing rainfall to help you unwind and drift to sleep. 300ml Large Capacity & Automatic Power-Off Protection 300 ml water tank supports up to 8 hours of diffusion. Refill once for a full day of use. Built-in smart chip automatically shuts off when there is no water for safety.