Electric Submersible Water Heater 3000/2500/2000/1500W for Swimming Pool Rapid Heating - Heating Rod with Intelligent Timing Function. Portable electric submersible water heater suitable for swimming pools, bathtubs, plastic barrels, inflatable pools, foot baths, and other water containers. Designed with safety in mind: constructed with high-quality copper wiring, stainless steel outer casing, and anti-rust protection to help prevent direct contact between the heating element and water, enhancing user safety. Durable and eco-friendly PP material housing—non-toxic, odorless, and built for long-term use. CE certified for quality and safety assurance. Intelligent timing function allows for convenient and efficient heating control. Ideal for home use, providing fast and effective water heating during colder seasons. Please read all safety instructions carefully before use. This product is not intended for use by children. Do not touch the heater directly while in operation to avoid injury. Note: Slight variations in color may occur due to monitor display differences. Minor measurement deviations of 2–3 cm may exist due to manual measurement.