各类换能器产品主要用于外置式电源，一般有插墙式和台式两种，提供交流/交流和交流/直流两种变换方式，适用于各类需要外置电源的电子设备和电器产品。

Adaptors
Adaptors are mainly used in external power supply, usually divided into two kinds: plug-in type and desktop type, and there are two kinds of transformation modes: AC/AC or AC/DC, fit for the electronic equipment and electrical products which needs an external power supply.