High strength heating wire, double waterproof protection, long service life. High quality electric resistance wire, uniform heating, durable and long service life. The power indicator lights up means the water heater starts to work, when the water temperature reaches the specified temperature, the power indicator will automatically turn off. Equipped with 2 powerful suction cups, strengthen the heating rod to prevent falling. Double-layer waterproof insulation, can control the water temperature, easy to adjust and read the temperature. Feature: 1. High quality electric resistance wire, uniform heating, durable and long service life. 2. Double-layer waterproof insulation, can control the water temperature, easy to adjust and read the temperature. 3. The power indicator lights up means the water heater starts to work, when the water temperature reaches the specified temperature, the power indicator will automatically turn off. 4. High strength heating wire, double waterproof protection,