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 containers include bathtubs, plastic tubs, inflatable pools, and foot basins. 2. Fast heating: Submerge the electric immersion heater and it heats up within minutes. The 3000-watt heating element efficiently warms water—bring 5 gallons of water to near boiling in minutes. Simply place the heater in water and plug into a standard grounded 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 ABS housing and stainless steel components are rust-resistant and help prevent direct contact with heated parts, enhancing safety during use. 5. Equipped with a timer function: Press the SET button to adjust the timer. When the time ends, the unit automatically shuts off with an audible alert, helping prevent accidents due to forgetfulness. No need to monitor continuously, offering added convenience and safety. 6. Easy operation: Place the heater in water at the proper level (observe the safety fill line). Plug into a grounded electrical outlet. Check the power indicator to confirm operation. The portable heater will begin working immediately. Warning: Do not submerge the power cord or handle.