Electric Submersible Water Heater 3000W for Swimming Pool Rapid Heating - Intelligent Timing Function Portable electric submersible water heater with fast heating performance, ideal for swimming pools, inflatable pools, bathtubs, plastic barrels, and foot baths. Designed for safe and efficient use in various water containers. Safety features include high-quality copper wiring, stainless steel housing, and rust-resistant materials to prevent direct contact between the heating element and water, enhancing user safety. The outer shell is made from new PP material—non-toxic, odorless, environmentally friendly, and durable. This product is CE certified and built to meet high-quality standards. It includes an intelligent timer function for convenient operation. Not intended for use by children. When heating water, do not touch the unit directly with the body. Always read the safety instructions carefully before use and follow all guidelines to ensure proper operation. Note: Slight variations of 2-3 cm may occur due to manual measurement. Color may vary slightly due to differences in monitor displays.