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 Electrical Pump powered. Easy to set up, with no plumbing required.Main Cord: 1.5 m (uk plugs) Weatherproof Pump, LED lights included. Electric powered type (comes with Warm White LED Lights)/Solar Power Dimension: as pic shown Max Flow Quantity: 100-350L/H Max Water Height of Pump: 80-100cm. Due to courier restrictions some areas out of UK mainland.