Suntrack  Brand Shock Proof Completely Safe Due to Advanced Technology, Heating Elements Are Primarily With Systems Like Process Systems, Water Geyser, Boilers, Water Heaters, Heat Transfer Systems 2-Material - Copper With washer to avoid leakage, Voltage - 220v-240v, Tube Dia Size - 8.7 mm, Dimension Full Element Length - 9 inches, (Approx), Pipe Length - 8 inches (Approx), Weight - 210-230 Gram (Approx), 3-Available In Various Wattages And Voltages. Note - Warranty Against Manufacturing Defects which will not cover damagae or breakage to heater resulting from misuuse at the part of customers