Electric Submersible Water Heater 3000W for Swimming Pool Rapid Heating – Intelligent Timing Function Portable diving heater suitable for inflatable pools, bathtubs, plastic barrels, foot baths, and other water containers. Made with high-quality copper wire for efficient heating and durable performance. Stainless steel outer casing provides rust resistance and enhances safety by preventing direct contact with heating elements. Equipped with a high-quality PP material shell that is non-toxic, odorless, and environmentally friendly. Designed for safe and long-term use. CE certified for quality and safety assurance. Ideal for home use, providing comfortable water heating during colder seasons. Please read the included safety instructions carefully before use. This product is not intended for use by children. Do not touch the heater directly during operation to avoid injury. Note: Slight variations of 2-3 cm may occur due to manual measurement. Color may vary slightly due to monitor display differences.