3000W Black Pool Heater Immersion Heater Electric Water Heater. High-power immersion water heater can heat 5 gallons of water in a few minutes. Ideal for camping, this portable bucket heater allows you to enjoy a warm shower even outdoors. In cold winter, enjoy warm water quickly without long waiting times. Suitable for above ground pools, inflatable pools, and other small water containers. Easy to use: Simply place the submersible pool heater into the water and connect to a power source. Ensure the heater is fully submerged during operation. Monitor water temperature as needed. Continuous use should not exceed 3 hours. Check compatibility with your pool or container size before use. Portable and versatile: Can be used in various containers such as buckets, basins, bathtubs, and small inflatable swimming pools. Not intended for large residential swimming pools. Lightweight and convenient for home or outdoor use. Warnings: Do not use this heater in inflatable bathtubs or similar inflatable containers not designed for heating. Do not touch the water or heater with hands while the unit is plugged in. Unplug the heater and remove it from the water before handling when hot. The leakage protection plug is not a power switch. Always ensure adequate water level before operation. Read all instructions carefully before use.