Electric Submersible Water Heater 3000W for Swimming Pool, Fast Heating Rod with Intelligent Timing Function Portable electric submersible water heater, ideal for inflatable pools, bathtubs, plastic barrels, and foot baths. Designed for safe and efficient heating in various water containers. High-quality construction features a stainless steel outer casing and anti-rust protection to prevent direct contact between the heating element and water, enhancing safety. The heater is equipped with a durable PP housing made from non-toxic, odorless, environmentally friendly material for long-lasting and safe use. This product is CE certified, ensuring compliance with safety and quality standards. It includes an intelligent timing function for convenient operation. Please read the safety instructions carefully before use. This heater is not intended for use by children. Do not touch the heater directly during operation to avoid burns. Note: Slight variations of 2-3 cm may occur due to manual measurement. Color may vary slightly due to monitor display differences.