1. Meet your various needs: Enjoy a comfortably warm bath during 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 heat up 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. 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 outer casing is made of stainless steel and ABS material, preventing direct contact with internal components and reducing the risk of accidents. Designed for safe operation. 5. Built-in timer function: Press the SET button to adjust the timer. When the time ends, 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 use: Place the heater in water at the designated water level line. Plug into a grounded electrical outlet. Check the power indicator to confirm the unit is operating. The portable heater will begin heating immediately. Warning: Do not submerge the power cord or handle.