Features: stainless steel heating tube, this boiler is rust-proof, corrosion-resistant, high safety and long time use. Easy to use, suitable for many containers. Just submerge it in water and it is easy to operate. Comprehensive anti-scald design, uniform heat dissipation, prevent burns. With 2 square thickened copper wires, this item is easy to heat with good protection. The high power of 1500W provides fast heating speed, making it very convenient to use. It is lightweight with small size, easy to carry and store. It can be used in water, especially suitable for heating water in a large container, such as bucket, basin, bathtubs, mini inflatable pool, etc. Specification:Condition: Item Type: HeaterMaterial: Stainless Steel + CopperOptional Size: 200cm/78.7inch, 300cm/118.1in (Optional)Power: 1500W Voltage & Plug: 110V USDeag: Approx. 715g/25.2ozNote:1. It must be placed in water (including wires) when using, do not touch when using.2. Do not touch water or heated containers while the water is boiling. Please unplug and try the water temperature.3. The second step. Make sure the heating tube must be completely in the water and do not dry in case of lack of water.4. After the water is boiled, you should unplug the power plug and then remove the boiler after ten seconds.