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. Designed for fast and efficient water heating. Safety features include high-quality copper wiring, stainless steel outer casing for rust resistance, and protection against direct contact with water during operation. The heater is equipped with a durable PP shell that is non-toxic, odorless, and environmentally friendly. This product is CE certified for quality and safety. Not intended for use by children. Do not touch the heater directly while in operation. Always read the safety instructions before use and follow all guidelines carefully. Ideal for home use, providing comfort during cold weather. Suitable for various container types including portable pools and foot baths. Note: Slight variations in color may occur due to monitor differences. Manual measurement may result in a 12 cm variation.