A. Swimming pool, diving, bathroom, EU B. It is recommended to read the instructions and precautions carefully before use. This product may not be suitable for children. C. It is advised not to directly touch the heated water with your body. D. Quality and safety: - The electric floating immersion heater is made of copper wire for relatively easy transportation. The stainless - steel shell and anti - rust protection can help prevent direct contact between the heater and people, making it relatively safer to use and reducing the likelihood of accidents. - The heater is made of a certain type of PP material, which is non - toxic, odorless, healthy, environmentally friendly, and relatively durable. Our products have passed a comprehensive CE certification, indicating a certain level of reliable quality. It is important to read the safety instructions carefully before use, understand the precautions, and use it in accordance with the instructions. E. Meet different needs: - Wide range of applications: It is suitable for various containers such as inflatable swimming pools, bathtubs, plastic buckets, plastic pools, bathtubs, and foot - soaking buckets. It can be a useful helper at home, enabling you to have a relatively comfortable bath in cold weather. - It includes 1 heater. F. Remarks: Due to manual measurement, there may be an error of 2 - 3 centimeters. It is advisable to allow for slight measurement errors. Also, due to differences between different monitors, the pictures may not accurately reflect the actual color of the item. Thank you for your understanding.