High strength heating wire, double waterproof protection, long life. High quality electrical resistance wire, uniform heating, durable and long life. l ‘Power indicator lights up means that the water heater starts to operate, when the water temperature reaches the specified temperature, the power indicator turns off automatically. Equipped with 2 powerful cuppings, reinforce the heating rod to avoid falling. Double-layer waterproof insulation, can control the temperature of the water, easy to adjust and read the temperature. Feature: 1. High quality electrical resistance wire, uniform heating, durable and long life. 2. Double-layer watertight insulation, can control the temperature of the water, easy to adjust and read the temperature. 3. The power indicator lights up means that the water heater starts to operate, when the water temperature reaches the specified temperature, the power indicator turns off automatically. 4. . High strength heating wire, double waterproof protection,