High-quality materials: This heater is made of high-quality stainless steel, which has good safety, fast heating, strong rust resistance and good heat resistance. You can use it with confidence and help you quickly and hot water without affecting the water quality Fast heating: the combination of a high-power 600W stainless steel heating tube and high quality can heat quickly and safely. It takes 1-2 minutes to quickly raise the water temperature to finish heating a glass of water. After unplugging the power, you need to wait about 20S before removing the heatsink Easy to use: For best results, use only with glass, ceramic or stainless steel containers. Fill your container, place the immersion heater in the liquid, then turn on the immersion heater. The package does not include an adapter that can be connected to the ground wire Safe to use: on the top of this immersion heater there is a clip that allows you to lock the edge of the cup during the use, avoiding the heater and the cup to contact directly and not requiring you to hold it in your hand, which is more comfortable and safer Easy to carry: this heater is equipped with a 1m power cable, which can be extended for a very long time, and the heater is small in size and convenient to carry, which is very suitable for travel or for office and home use for heating water, milk, cocoa, etc