Electric Submersible Water Heater 3000W for Swimming Pool Rapid Heating. This portable diving heater is suitable for inflatable pools, bathtubs, plastic barrels, and other water containers. Features intelligent timing function for convenient use. Safety and Quality: Made with high-quality copper wiring and stainless steel outer casing for rust resistance and durability. Designed to prevent direct contact between the heating element and water, enhancing safety. The heater housing is constructed from new PP material, which is non-toxic, odorless, and environmentally friendly. Fully CE certified for reliable performance. Read all safety instructions carefully before use. This product is not intended for use by children. Do not touch the heater directly during operation. Versatile Use: Ideal for home use in various water containers, providing fast and efficient heating for a comfortable experience in cold weather. Note: Slight variations of 2-3 cm may occur due to manual measurement. Color may vary slightly due to monitor display differences. Designed with high-quality materials to ensure durability and optimal performance. Please check product dimensions to ensure compatibility with your needs. Refer to the product title and specifications for detailed information. For any questions or concerns, please contact customer support. Thank you for choosing this product.