Electric Submersible Water Heater 3000W for Swimming Pool, Portable Immersion Heater for Inflatable Pools, Bathtubs, and Plastic Barrels. Fast heating performance for comfortable use in cold weather. Safety Information: This product is not intended for use by children. Do not touch the heater directly during operation to avoid burns. High-Quality Construction: 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. Durable and Safe Shell: Constructed from new PP material, which is non-toxic, odorless, environmentally friendly, and built to last. Certified Quality: Fully CE certified for reliable performance and safety assurance. Always read the included instructions and safety precautions before use, and operate strictly according to the guidelines. Versatile Use: Suitable for various containers including inflatable pools, bathtubs, foot baths, and plastic barrels. Ideal for home use. Note: There may be a 2-3 cm variation due to manual measurement. Slight color differences may occur due to monitor display variations.