功能多，既可作定时开关，也可当普通开关使用。

Not only can the switch be used as a timing switch, but also be used as an ordinary switch.

可设置定时开关机。

To set the timer switch.

可设置定时开关机。

Timer can be set to switch machines.

电脑控制系统: 设定时开关自动恒温超温报警等功能.

Computer control system: when setting the automatic constant temperature switches etc. Function.