Relax to soothing falling water and visual beauty of design Self-sustaining fountain Features tiered Japanese koi fish Water cascades from the mouths of the fish to the middle tier where the water gracefully descends into the basin below Middle tier and basin are both illuminated by LED lights Features a sandstone style finish Constantly recycles the same water Some assembly required Additional Features: Durable and weather resistant Submersible low voltage Jebao water pump WP-450 Pump input: 120 volts 60 hertz .082 amps 9.84 watts AC adapter input: 120 volts 60 hertz AC adapter output: 12 volts 200 milli-ampere 2.4 volt-ampere Class 2 power supply Rainproof UL listed for indoor or outdoor use Dimensions: 37"H x 18.25"W x 17.5"D Material(s): resin/fiberglass