Stainless steel heating tube: Features a stainless steel heating tube with high hardness, good rust resistance, and excellent heat resistance. Rapid Heating: Boasting 600W of power and a high-quality stainless steel heating tube, it heats up quickly, raising the water temperature rapidly. It only takes 1 to 2 minutes to heat up. Note that it takes about 20 seconds to remove the immersion heater after the power supply has been disconnected. Easy to Use: This heater is easy to use and has a clip next to the tube that you can hang on the wall of a cup or other container to hold it in place. Power Cord: The immersion heater is equipped with a one-meter-long power cord made of copper wires wrapped in PVC insulation. It is resistant to high temperatures and oxidation, so you can use it with confidence. Small Size and Easy to Carry: The heating element is medium-sized and perfect for heating water or coffee in a cup or kettle at home, in the office, in a dorm, or while traveling. Product Note: Please allow 0-3 cm variation due to manual measurement. Thank you for your understanding. Monitors are calibrated differently. The color of the product shown in the pictures may vary slightly from the actual product. Please refer to our sizes before ordering. Delivery quantity: 1 set