Electric Submersible Water Heater 3000W for Swimming Pools and Bathtubs – Fast Heating Rod with Intelligent Timer Function. This portable diving heater is designed for use in inflatable pools, plastic pools, bathtubs, foot baths, and similar containers. Ideal for home use, providing comfortable water heating during colder weather. Safety and Quality: Made with high-quality copper wiring and a stainless steel outer casing for durability and rust resistance. The design helps prevent direct contact between the heating element and the user, enhancing safety during operation. The heater features a high-quality PP material housing that is non-toxic, odorless, and environmentally friendly, ensuring safe and long-lasting performance. Fully CE certified for quality and safety assurance. Important Usage Instructions: Read all safety instructions carefully before use. This product is not intended for use by children. Do not touch the heater directly while it is operating or when the water is hot to avoid burns or injury. Follow all manufacturer guidelines for safe installation and operation. Note: Slight variations of 2-3 cm may occur due to manual measurement. Additionally, color may vary slightly due to differences in screen displays.