Electric Submersible Water Heater 3000W for Swimming Pool, Fast Heating Rod with Intelligent Timing Function Portable submersible water heater designed for inflatable pools, bathtubs, plastic barrels, foot baths, and other containers Made with high-quality copper wire and stainless steel outer casing for durability and rust resistance; helps prevent direct contact between heater and body for improved safety High-quality PP material shell—non-toxic, odorless, environmentally friendly, and durable; CE certified for quality and safety assurance Ideal for home use, providing rapid water heating during cold weather; suitable for various water containers Please read all safety instructions carefully before use; not intended for use by children Potential 2-3 cm measurement variation due to manual measuring; color may slightly vary due to monitor differences