1. Meet your various needs: Enjoy a comfortably warm bath in cold weather or use the heater to heat water and soak your feet overnight to keep them warm. Suitable containers include bathtubs, plastic tubs, inflatable pools, basins, and footbaths. 2. Fast heating: Submerge the electric immersion heater and within minutes, it begins heating. The 3000-watt electric heating element efficiently heats water, bringing 5 gallons 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. Built with durable construction and advanced technology for reliable, long-term use. 4. Safe and durable design: Constructed with high-quality copper wiring for efficient power transmission. The housing is made of stainless steel and ABS material, resistant to rust and designed to prevent direct contact between the heating element and skin, enhancing safety during operation. 5. Integrated timer function: Press the SET button to adjust the timer. When the time ends, the unit 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 use: Place the heater in water at the designated water level mark. Plug into a grounded electrical outlet. Check the power indicator light to confirm operation. The portable heater will begin working immediately. Warning: Do not immerse the power cord or handle in water.