The heater must be fully submerged in water during operation. Do not operate continuously for more than 3 hours. Do not plug two heaters into the same outlet. Remove the heater before touching the water. This immersion heater is suitable for use in various water-containing vessels. Submerge it in water and plug it in to begin heating automatically. The heating element is enclosed in a protective jacket, preventing direct contact with plastic containers and reducing the risk of melting. Power Rating: 2000 W Note: Slight measurement variations (up to 3 cm) may occur due to manual measurement. Screen calibration differences may cause slight color variations between product images and the actual item. Please refer to the provided dimensions before ordering.