Natural slate ledgestone bring natural beauty and soothing ambience to your space. All feature LED lights that make it very attractive at night. Water flows from the top bowls to the bottom bowl. They run on solor powered panel.Easy to set up, with no plumbing required. Main Cord: m Weatherproof Pump, LED lights included. Solar powered type (comes with Warm Yellow LED Lights) Output: Solar. Dimension: as pic shown Power: 0.5-5W Battery: 7.4V/1500MA Max Flow Quantity: 100-350L/H Max Water Height of Pump: 80-100cm.