High working efficiency and low energy consumption. Made of stainless steel, rust-proof, high hardness, heat-resistant, safe, to ensure healthy and clean water quality It heats water quickly and safely and is very convenient to use. Good size, perfect for heating water or coffee in a mug or teapot. Perfect for home, office, college dorm or travel use. Specification: Condition: 100% Brand New Material: Stainless steel Color: random color Rated voltage: 220V Plug Type: CN Plug Rated power: 600W Heater Tube Dimensions (L x W): Approx. 145 x 22 mm / 5.71 x 0.87 in Overall Length: Approx. 1m / 3.28ft Weight: about 114 grams Package Included: 1 heating element Notice! how to use: 1. Fill the container with water, submerge the heating element in the water, and apply power. 2. Unplug the power after the water boils, but do not take the heater out of the water immediately, wait for 20 seconds. 3. In case of special circumstances, please turn off the power immediately notes: 1. Do not put your hands into the water container when working. 2. Do not dry the water container with the item.