1、 Fast heating: 2500W high power bird's nest water heater can quickly heat 5 gallons of water in a few minutes, allowing you to play quickly in a small pool and enhance the bonding of your home. Fast heating saves you time and electricity considerably. 2、 Thermostat, automatic shutoff function: Built-in constant temperature control, when the water temperature reaches a certain temperature, the electric water heater will automatically turn on and off to maintain the water temperature, without worrying about overheating. Lie in the bathtub every day and enjoy the comfort of hot water to relieve fatigue and relax. 3、Safety: The heavy‑duty stainless steel guard on the barrel water heater contains the heating element to avoid direct contact with people or animals for added safety, and the holes in the guard help to release heat into the water faster. Dry boiling automatically cuts off power. 4、Easy to use: The immersion heater is easy to use, simply place the electric heater into the water container, then completely cover the heating element with hot water in the stainless steel protection and plug into any grounded wall outlet. Note: The power cord and black handle should not be submerged in water. 5、Wide range of applications: Submersible water heaters can be used for different sizes of containers such as small swimming pools, buckets, basins, bathtubs, and also for heating water to clean sinks, food, dishes, etc. To avoid suffering from cold water intrusion.