Suitable for large containers such as buckets, sinks, bathtubs, small inflatable pools, etc. Material: stainless steel, safe, durable, non-toxic, long service life. This water heater does not have an automatic shut-off feature. The power supply must be turned off before draining the water. Submersible Design: The water heater has a submersible design and must be submerged in water. Features: Meet your different needs: enjoy a super comfortable bath in cold weather, or use our heater to boil water and soak your feet overnight to stay warm. Applicable containers: bathtubs, plastic buckets, inflatable pools, footbaths. Heating in seconds: A suspended submerged electric heater heats the water heater in just a few minutes. The 2,500 W electric heater makes heating hot water more efficient. Simply place the water heater in the water and plug it in... Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store