1. Please read the instructions and precautions carefully before use. Children cannot use this product. 2. In the process of heating water, please do not let your body touch the water directly. High quality and safety: The electric suspension immersion heater adopts high quality copper wire, which is easy to carry. The external abs and anti-rust protection made of stainless steel can effectively prevent the heating from directly contacting the human body, making the use safer and reducing the occurrence of accidents. High-quality shell - the water heater adopts new PP material, which is non-toxic and tasteless, healthy and environmentally friendly, safe and durable. Before use, be sure to read the safety instructions carefully, understand their precautions, and use them in strict accordance with the instructions. Meet your different needs: Wide range of applications: suitable for inflatable swimming pools, bathtubs. plastic bucket. Plastic bathtub, bathtub, foot tub. Waiting for more containers, super comfortable home helper in cold weather. Tip: 1. If the water volume exceeds 150 liters, it is recommended to use two heaters at the same time. 2. Due to manual measurement, there may be an error of 2-3 cm. Please allow for slight errors in measurement. And due to differences between different monitors, the pictures may not reflect the actual color of the item. thanks.