Alpine Foggers - Available for Indoor or Outdoor Use, With 1-5 Jets, With or Without LEDsNo matter which fogger you choose, it will bring an exotic touch to your pond or fountain. Simply place it into the water feature, plug it in, and wtach the fog create an exotic atmosphere. A few drops of essential oil can add a beautiful aroma to the immediate surroundings. Due to the ultrasonic technology, this product does not use any chemicals. As such, it is completely fish-safe. Comes with a 1 year limited warranty.