1. Fast heating: The 2500-watt high-power bird's nest water heater can quickly heat 5 gallons of water within a few minutes, allowing you to quickly enjoy it in a small pool and enhance family affection. Fast heating can save you a lot of time and electricity bills. 2. Constant temperature and automatic shutdown function: It has built - in constant temperature control. When the water temperature reaches a certain level, the electric water heater will automatically turn on and off to maintain the water temperature, so you don't have to worry about overheating. You can lie in the bathtub every day and enjoy the comfort brought by hot water to relieve fatigue and relax your body and mind. 3. Safety: The heavy - duty stainless steel protective cover on the barrel - type water heater wraps the heating element, preventing direct contact between people/animals and the heating element, which increases safety. And the holes in the protective cover help release heat into the water more quickly. It will automatically cut off the power when it runs dry. 4. Easy to use: The immersion water heater is easy to use. Simply place the electric heater in a water - containing container, then completely cover the heating element with hot water inside the stainless steel protective cover, and then plug it into any grounded wall socket. Note: The power cord and the black handle should not be immersed in water. 5. Wide range of applications: The submersible water heater can be used in containers of different sizes, such as small swimming pools, buckets, basins, bathtubs, etc. It can also be used to heat water for cleaning sinks, food, tableware, etc., to avoid the invasion of cold water. Specifications: - Material: Stainless steel + PVC + Copper wire - Color: Black - Size: 38*18*5 cm - Cord length: 1.5 meters - Power: 2500 watts - Frequency: 50 Hz - Voltage: 220 - 250 volts - Plugs: 1500 - watt for the US, 1500 - watt for Japan, 2500 - watt for Europe, 2500 - watt for the UK Packing list: 1 barrel - type water heater Precautions: The heater should not be in the water when working.