Electric Submersible Water Heater 3000W for Swimming Pool, Portable Pool Diving Heater for Inflatable Pools, Bathtubs, and Plastic Barrels. Fast heating performance for comfortable use in cold weather. Safety and Quality: Made with high-quality copper wiring and stainless steel exterior for durability and rust resistance. Designed to prevent direct contact between the heating element and water, enhancing safety during operation. The outer shell is constructed from new PP material, which is non-toxic, odorless, and environmentally friendly. CE certified for reliable quality and safe operation. Before use, carefully read all safety instructions and precautions. This product is not intended for use by children. Do not touch the heater directly while it is operating in water. Versatile Use: Suitable for various containers including inflatable pools, bathtubs, foot baths, and plastic barrels. Ideal for home use and convenient for temporary heating needs. Note: Slight variations of 2-3 cm may occur due to manual measurement. Color may vary slightly due to monitor display differences.