STAINLESS STEEL HEATING TUBE: 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 quickly serve yourself and heat water without affecting the water quality. EASY TO USE: In addition to this immersion heater, there is a clamp that allows you to lock the edge of the cup during use, which prevents the heater and the cup from coming into direct contact and does not require you to hold it in your hand, which is more convenient and safer. FAST HEATING: The combination of high power and high-quality 600W stainless steel heating tube can heat up quickly and safely. It takes 1-2 minutes to quickly raise the water temperature to finish heating a glass of water. After disconnecting the power, wait about 20 seconds before removing the heater. SMALL SIZE AND EASY TO CARRY: This heater is equipped with a 1m power cord, which can be extended for a long time, and the heater is small and convenient to carry, which is very suitable for travel or office and home use. to heat water, milk, cocoa, etc... 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.