Electric Submersible Water Heater 3000W for Swimming Pool, Portable Diving Heating Rod with Intelligent Timing Function Fast-heating electric immersion heater designed for inflatable pools, bathtubs, plastic barrels, foot baths, and similar containers. Ideal for home use, providing efficient water heating in colder conditions. Constructed with high-quality copper wiring and a stainless steel outer casing for durability and rust resistance. Features anti-rust protection to help prevent direct contact between the heating element and user, enhancing safety during operation. Equipped with a premium PP material housing—non-toxic, odorless, environmentally friendly, and built for long-term use. The durable shell ensures safe and reliable performance. This product is CE certified, meeting recognized safety standards. Always read the included instructions and safety precautions before use. Not intended for use by children. Do not touch the heater directly during operation to avoid burns or injury. Note: Slight variations of 2–3 cm may occur due to manual measurement. Color may vary slightly depending on monitor settings.