1. Meet your various needs: Enjoy a comfortably warm bath in cold weather or use the heater to heat water for soaking feet overnight. Suitable for containers such as bathtubs, plastic tubs, inflatable pools, and foot baths. 2. Fast heating: Submerge the electric immersion heater and it will begin heating within minutes. The 3000-watt electric heating element efficiently heats water—bring 5 gallons of water to near boiling in minutes. Simply place the heater in water and plug into a standard grounded power outlet. 3. High performance: Features rigorously tested high-performance heating elements with an extended lifespan of over 10,000 hours. Durable construction and advanced technology ensure quality, longevity, and reliable reuse. 4. Safe and durable design: Built with high-quality copper wiring for efficient power transmission. The housing is made of stainless steel and ABS material, corrosion-resistant and designed to prevent direct contact between the heating element and human skin, enhancing safety during use. 5. Equipped with a timer function: Press the SET button to adjust the timer. When the set time elapses, the device automatically shuts off with an ble alert, helping prevent accidents caused by forgetfulness. Allows hands-free operation for added convenience and safety. 6. Easy to operate: Place the heater in water at the proper level (unit has a marked safety water line). Plug into a grounded electrical outlet. Check the power indicator light to confirm the heater is operating. The portable heater will then begin heating. Warning: Do not submerge the power cord or handle.