Electric Submersible Water Heater 3000w for Swimming Pool Rapid Heating, Heating Rod with Intelligent Timing Electric Submersible Water Heater 3000w for Fast Pool Heating, Portable Diving Heater for Swimming Pools and Bathrooms Read instructions and precautions carefully before use. This product is not intended for use by children. Do not touch the heater directly when water is being heated. High Quality and Safety: Electric submersible immersion heaters are constructed with high-quality copper wiring for efficient performance. Stainless steel outer casing provides rust protection and helps prevent direct contact between the heating element and the user, enhancing safety and reducing risk of accidents. Durable Shell Material: The heater features a housing made from new PP material, which is non-toxic, odorless, environmentally friendly, and built to last. The product is fully CE certified, ensuring reliable quality and safety standards. Always read the safety instructions before use, understand all precautions, and follow the user manual carefully. Versatile Applications: Suitable for inflatable pools, bathtubs, plastic barrels, foot baths, and other water containers. Ideal for home use, providing comfortable warm water during colder weather. Note: Slight variations of 2-3 cm may occur due to manual measurement. Color may vary slightly due to differences in screen displays.