Electric Submersible Water Heater 3000W for Swimming Pool Rapid Heating, Heating Rod with Intelligent Timing Function Portable electric immersion heater for fast and efficient water heating. Ideal for inflatable pools, bathtubs, plastic barrels, foot baths, and other water containers. Made with high-quality copper elements for reliable performance. Stainless steel housing provides durability and rust resistance. Designed with safety in mind to help prevent direct contact with heating components. Equipped with a durable PP plastic shell—non-toxic, odorless, and environmentally friendly. CE certified for quality and safety assurance. Features intelligent timing function for convenient and energy-efficient operation. Intended for adult use only. Not suitable for use by children. Do not touch the heater while in operation to avoid burns or injury. Please read all safety instructions before use and follow them carefully. Note: Size may vary by 2-3 cm due to manual measurement. Slight color differences may occur due to monitor display variations.