3 models: single layer high silicate glass; Double layer gaopeng silicate glass; Plastic pect, able to withstand impact. The base is made of impact resistant aluminum alloy, which has good wear resistance and can be used in any color. High performance 2 cell 1800 watt battery; The lid can be selected as needed and the color will be the same as the base.Multifunctional portable, rechargeable wireless battery