Electric Submersible Water Heater 3000W for Swimming Pools and Portable Use – Fast Heating Rod with Intelligent Timer Function. Designed for inflatable pools, bathtubs, plastic barrels, 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. The outer shell is constructed from new PP material, which is non-toxic, odorless, and environmentally friendly. This product is CE certified, ensuring reliable performance and safety standards. Important Usage Instructions: Read all safety instructions carefully before use. Do not allow children to operate this device. While the heater is in use, avoid direct body contact with the water to prevent burns or injury. Note: Slight variations of 2-3 cm may occur due to manual measurement. Additionally, color may vary slightly due to differences in monitor displays.