Ready-to-Use: This instant hot water heater features a powerful 5500W cast aluminum heater that provides hot water in a short time without the need for preheating. It meets your family’s hot water needs quickly and efficiently. Powerful Feature: Suitable for water pressure ranging from 0.04 to 0.6mpa, this tankless water heater works stably even under low water pressure. You don’t have to worry about insufficient water supply on high floors or during peak usage times. Adjustable Power: The heater has four power gears (P1, P2, P3, and P4). The intelligent frequency conversion chip automatically adjusts the heating power based on seasonal temperatures. You can also manually set the power to suit your preferences. High Safety: This tankless mini water heater includes multiple safety features, such as anti-leakage protection, anti-dry burning, water and electricity separation, grounding protection, over-voltage protection, over-temperature protection, and fault self-inspection. These features ensure safe and reliable use. Thermostat Function: The heater is equipped with a thermostat that prevents water from becoming too cold or too hot. It continuously and intelligently maintains the water temperature at the set level, providing consistent hot water for your needs., Weight: 3.30693393 Pounds, Manufacturer: NiuLifeya