CNZ 12-LED Colorful Light Ultrasonic Mist Maker Fogger for Indoor Fountain (Mist Maker Only) Ideal for indoor fountains, water feature, and office use 12 LED Colorful Light, color and pattern changes automatically Easy to operate, long service life, self-protection Add a stunning mist effect to your pond or water tank to filter the bad smell with electro and ultrasonic technology Dimension: 1.73" x 0.79", 4ft long power cord; 24V