Perfects for use it in your pond, rockery, fishtank, vase, birdbath, etc, then it create a magical atmosphere. 2-in-1 USB water pump & mist maker can add a stunning mist effect to your pond, simultaneously achieving water flow circulation, rockery or fish tank to filter the bad smell with electro and ultrasonic technology. Easy to operate, put in the water and the voltage is 5V, then the mist appears. perfect for indoor fountains, water feature, and office use. No heat or chemicals used., Manufacturer: Vereen