Electric Submersible Water Heater 3000/2500/2000/1500W for Swimming Pool Rapid Heating - Heating Rod with Intelligent Timing Function Portable Pool Heater for Inflatable Pools, Bathtubs, Plastic Barrels, and Other Water Containers Suitable for bathroom and outdoor use; ideal for fast water heating in cold weather Constructed with high-quality copper wire for efficient performance Stainless steel outer casing provides rust resistance and enhances safety by preventing direct contact with heating elements Durable PP material housing – non-toxic, odorless, environmentally friendly, and built for long-term use CE certified for quality and safety assurance Designed for easy submersion and reliable operation in various water containers Intelligent timing function allows for controlled heating sessions Not intended for use by children Do not touch the heater directly during operation to avoid injury May have a measurement tolerance of 2–3 cm due to manual measurement Color may vary slightly due to monitor display differences Intended for household use; follow all safety instructions before operation