This is an indoor desktop fountain. Important caution: Do not run the pump when there is no water, as this can damage the unit. Function and experience: The fountain circulates water and emits a soothing water sound that helps you relax. In a room or on an outdoor terrace table in the evening, listening to the flowing water provides a calming sensory experience and a sense of peace. Bedtime and ambience: Turn on the fountain before bed to enjoy the calm water flow, create a relaxing and comfortable environment, increase the room humidity, and bring fresh air to everyone. Simple setup: No complicated assembly required. Just add water and plug into a wall outlet, or operate with two AA batteries (not included), and you can start enjoying the visual and auditory pleasure. Use scenarios: Desk or living room: Create a tranquil workspace or relaxing living area with gentle water motion and sound. Bedroom: Use as part of a bedtime routine to help unwind and promote a peaceful sleep environment. Outdoor terrace table: Enhance evenings outdoors with soothing water ambience on a table or patio setup.