tea heater 1)outer diameter:5.2-8.2mm 2)surface:nickel-plating 3)wire length:90cm-150cm 4)power:110v-240v,500w-1500w tea heater This product is called the tea heater for heating the liquid containers. Such as: water, coffee, milk and so on. Ease of use, safety, energy conservation, low-cost and reliable quality.