Hydraulic Coil Are Used So No Battery And Electric Wire Required The Panel Is Made Of Strong And Highly Durable 304 Stainless Steel, Features Corrosion Resistant, Low Maintenance And Better Longevity. Temperature Display, Shower Time, Led Overhead Shower Show The Water Temperature Directly And Instantly For Better Water Temperature Regulation, And Lower The Scalding Risk. Minimum Water Pressure 2 Bar (Use 0.5 Hp Pressure Pump In Case Of Low Water Pressure) Water From 60 Pcs Nozzles Will Evenly Cover Your Entire Body Without Having To Turn Around, Provide A Drenching, Rain-Like, Fully Relaxing Experience.