Electric Submersible Water Heater 3000W for Swimming Pool Rapid Heating – Intelligent Timing Function Portable diving heater suitable for inflatable pools, bathtubs, plastic barrels, and other water containers. Made with high-quality copper wire for efficient heating. Stainless steel exterior and rust-resistant design enhance safety by preventing direct contact with internal components. Durable PP shell material is non-toxic, odorless, and environmentally friendly. CE certified for quality and safety. Ideal for home use, providing comfortable water heating during colder weather. Please read all safety instructions before use. Not intended for use by children. Do not touch the heater while in operation to avoid burns. Note: Slight variations in color may occur due to monitor differences. Manual measurement may result in a 2–3 cm variation.