A multi-functional electrical
vaporizer for a liquid substance includes a
bottle for holding the liquid substance, a wick for drawing the liquid substance out of the
bottle, an electrical heating device positioned
proximate to an upper portion of the wick, an electrical plug
assembly, an electrical circuit for powering the electrical heating device, a housing structure with respect to which the
bottle is detachably secured and in which at least the electrical plug
assembly, the electrical circuit, and the electrical heating device are disposed, and a cover that is joined to and at least partially covers the housing structure. The housing structure, which includes a first shell and a second shell that are joined together, is configured to receive any of a plurality of different additional functional devices. The cover is provided with at least one access window corresponding to whatever additional functional device the housing structure is to be equipped with.