The transmitter-receiver housing contains the light source and all electronic and control functions .
发射器和接收器内装有光源和所有电子元件和控制元件。
2
Hardware products: electronic radiator, power radiator, computer radiator, LED heat sink, aluminum housing and a variety of metal stamping parts and other products.
五金产品：电子散热器、电源散热器、电脑散热器、LED散热器、铝外壳和各种五金冲压件等产品。
3
Strictly speaking, the term refers to the package of electronic hardware inside a steel housing, but it is also used to refer to the complete assembly including housing.