① The heater must be fully immersed in water when operating, do not use it for more than 3 hours in a row. ② The immersion heater can be used for various containers. Place it under water and plug it in, it will automatically heat the water. No need to worry about the plastic bucket melting from the heat pipe because they are wrapped and do not touch each other. ③ Do not plug two heaters into one socket at the same time to avoid fire. ④ Remove the heater before touching the water. ⑤ Product Description. Rated power: 2000 (W) ⑥ Note: Please allow 0 - 3 cm deviation due to manual measurement. Thank you for your understanding. ⑦ Monitors are calibrated differently. The color of the item in the picture may be slightly different from the actual item. ⑧ Please check our size chart before ordering. ⑨ Quantity: 1 pc. ⑩ Thank you for purchasing store products, and have a happy day.