... and lead pollution, no UV and IR Radiation. 3, Low heat, low degradation, 3%~5%(3000hours), lifespan: 50000Hours 4, Energy Saving, Environment ... Friendly. Common Specifications1, Diameter: 180mm 2, Height: 86mm 3, Base: Screw Terminal 4, Body Material: Stainless Steel +Aluminum5 ... and other special environment 18W 24V IP68 led fountain light with 2 years warranty