Instant Water Heater: Our instant electric water heater features a high-performance 3500W heat-conducting core, which heats up quickly in three seconds. Hot water is available as soon as you turn on the shower, without having to store it for preheating. It continuously provides the desired temperature, allowing you to fully enjoy your bath. Durable Material: The water heater features an environmentally friendly ABS shell, which is airtight inside and out, and a temperature display that allows you to change the water temperature at any time to prevent overheating. This instant water heater is IPX4 certified, and its highly waterproof structure protects the body from splashing water, allowing you to shower and rinse freely and fully enjoy the bath. Safe to Use: Our instant water heater is designed with water/electricity separation, leak-free and very safe. Dry burn protection, grounding, surge protection, IPX4 waterproof, constant temperature anti-scalding, overheat protection, multiple