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, foot baths, and other water containers. Designed for safe and efficient heating in home use. 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 encased in durable PP material, which is non-toxic, odorless, and environmentally friendly. CE certified for quality and safety. Equipped with intelligent timing function for convenient operation. Please read all safety instructions carefully before use. This product is not intended for use by children. Do not touch the heater directly during operation to avoid burns. Note: Slight variations in color may occur due to monitor display differences. Manual measurement may result in a variance of 2-3 cm.